My vimrc, uses Vundle for dependencies.

.vimrc

set nocompatible               " be iMproved
filetype off                   " required!

let mapleader = "\<Space>"

set rtp+=~/.vim/bundle/vundle/
set rtp+=~/.vim/bundle/powerline/powerline/bindings/vim

call vundle#rc()

Bundle 'tpope/vim-fugitive'
Bundle 'tpope/vim-git'
"Bundle 'tpope/vim-haml'
Bundle 'pangloss/vim-javascript'
Bundle 'scrooloose/nerdtree'
Bundle 'scrooloose/nerdcommenter'
Bundle 'tpope/vim-surround'
Bundle 'vim-scripts/taglist.vim'
"Bundle 'tpope/vim-rails'
Bundle 'msanders/snipmate.vim'
Bundle 'tpope/vim-markdown'
Bundle 'godlygeek/tabular'
Bundle 'tpope/vim-unimpaired'
Bundle 'vim-scripts/searchfold.vim'
"Bundle 'tpope/vim-endwise'
Bundle 'kchmck/vim-coffee-script'
Bundle 'scrooloose/syntastic'
"Bundle 'mattn/gist-vim'
Bundle 'kien/ctrlp.vim'
Bundle 'juvenn/mustache.vim'
Bundle 'slim-template/vim-slim'
Bundle 'tpope/vim-commentary'
"Bundle 'vim-ruby/vim-ruby'
Bundle 'mattn/webapi-vim'

Bundle 'Lokaltog/powerline'
Bundle 'wgibbs/vim-irblack'
Bundle 'Valloric/YouCompleteMe'
Bundle 'vim-scripts/vim-stylus'
Bundle 'airblade/vim-gitgutter'

" Following one pisses me off too much
"Bundle 'Raimondi/delimitMate'

" Don't use this: you can't use `.` to repeat dt" reliably
"Bundle 'dahu/vim-fanfingtastic'

Bundle 'ap/vim-css-color'
Bundle 'mileszs/ack.vim'
Bundle 'nathanaelkane/vim-indent-guides'
Bundle 'digitaltoad/vim-jade'

set number
syntax on
set autoread " Automatically reload changes if detected
set ruler
set encoding=utf8

" Whitespace stuff
set nowrap
set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab
set list listchars=tab:\ \ ,trail:·

" Searching
set hlsearch
set incsearch
"set ignorecase
set smartcase

" Tab completion
set wildmode=list:longest,list:full
set wildignore+=*.o,*.obj,.git,*.rbc,*.class,.svn,vendor/gems/*
set wildignore+=*/.git/*,*/.hg/*,*/.svn/*

" Status bar
set laststatus=2

" NERDTree configuration
let NERDTreeIgnore=['\.pyc$', '\.rbc$', '\~$']
map <Leader>n :NERDTreeToggle<CR>

" Remember last location in file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal g'\"" | endif
endif


" CTags
map <Leader>rt :!/usr/local/bin/ctags --extra=+f -R *<CR><CR>
map <C-\> :tnext<CR>

function! s:setupWrapping()
  set wrap
  set wrapmargin=2
  set textwidth=72
endfunction

" make uses real tabs
au FileType make set noexpandtab

" Thorfile, Rakefile, Vagrantfile and Gemfile are Ruby
au BufRead,BufNewFile {Gemfile,Rakefile,Vagrantfile,Thorfile,config.ru,Guardfile}    set ft=ruby
"
" md, markdown, and mk are markdown and define buffer-local preview
au BufRead,BufNewFile *.{md,markdown,mdown,mkd,mkdn} call s:setupWrapping()

" add json syntax highlighting
au BufNewFile,BufRead *.json set ft=javascript
au BufRead,BufNewFile *.txt call s:setupWrapping()

" Mustache configuration
au BufNewFile,BufRead *.mustache        setf mustache

" Yaml Configuration
au BufRead,BufNewFile *.{yml,yaml} set foldmethod=indent

" make Python follow PEP8 ( http://www.python.org/dev/peps/pep-0008/ )
au FileType python set softtabstop=4 tabstop=4 shiftwidth=4 textwidth=79

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

" load the plugin and indent settings for the detected filetype
filetype plugin indent on

" gist-vim defaults
if has("mac")
  let g:gist_clip_command = 'pbcopy'
elseif has("unix")
  let g:gist_clip_command = 'xclip -selection clipboard'
endif
let g:gist_detect_filetype = 1
let g:gist_open_browser_after_post = 1

" Enable syntastic syntax checking
let g:syntastic_enable_signs=1
let g:syntastic_quiet_warnings=1

" Use modeline overrides
"set modeline
"set modelines=10

set cursorline

" Default color scheme
color ir_black

" Show (partial) command in the status line
set showcmd
" Turn off jslint errors by default
let g:JSLintHighlightErrorLine = 0

" MacVIM shift+arrow-keys behavior (required in .vimrc)
let macvim_hig_shift_movement = 1

" Patter ignore when use the completion in search file
set wig=*.o,*.obj,*~,#*#,*.pyc,*.tar*,*.avi,*.ogg,*.mp3

" No save backup by .swp
set nowb
set noswapfile
set noar

" Delete all whitespace in end of line
autocmd BufWritePre *.{coffee,js} :%s/\s\+$//e

" Autocomplete Fabricator gem
autocmd User Rails Rnavcommand fabricator spec/fabricators -suffix=_fabricator.rb -default=model()

" Autocomplete Fabricator gem
autocmd User Rails Rnavcommand decorator app/decorators -suffix=_decorator.rb -default=model()

set foldmethod=syntax

let g:Powerline_symbols = 'fancy'
set t_Co=256

let Tlist_Auto_Update = 'true'
let Tlist_Ctags_Cmd = '/usr/local/bin/ctags'

"spell check when writing commit logs
autocmd filetype svn,*commit* set spell

let g:ctrlp_custom_ignore = {
  \ 'dir':  '\.git$\|\.hg$\|\.svn$\',
  \ 'file': '\.exe$\|\.so$\|\.dll$',
  \ 'link': 'some_bad_symbolic_links',
  \ }

" cd to the directory containing the file in the buffer
nmap <silent> <leader>cd :lcd %:h<CR>

" Reload vimrc; install bundle
nmap <silent> <leader>rc :so ~/.vimrc \| :BundleInstall<CR>

" Map the arrow keys to be based on display lines, not physical lines
map <Down> gj
map <Up> gk

if has("gui_macvim") && has("gui_running")
  set guioptions=egmrt
  " Map command-[ and command-] to indenting or outdenting
  " while keeping the original selection in visual mode
  vmap <D-]> >gv
  vmap <D-[> <gv

  nmap <D-]> >>
  nmap <D-[> <<

  omap <D-]> >>
  omap <D-[> <<

  imap <D-]> <Esc>>>i
  imap <D-[> <Esc><<i

  " Bubble single lines
  nmap <D-Up> [e
  nmap <D-Down> ]e
  nmap <D-k> [e
  nmap <D-j> ]e

  " Bubble multiple lines
  vmap <D-Up> [egv
  vmap <D-Down> ]egv
  vmap <D-k> [egv
  vmap <D-j> ]egv

  " Map Command-# to switch tabs
  map  <D-0> 0gt
  imap <D-0> <Esc>0gt
  map  <D-1> 1gt
  imap <D-1> <Esc>1gt
  map  <D-2> 2gt
  imap <D-2> <Esc>2gt
  map  <D-3> 3gt
  imap <D-3> <Esc>3gt
  map  <D-4> 4gt
  imap <D-4> <Esc>4gt
  map  <D-5> 5gt
  imap <D-5> <Esc>5gt
  map  <D-6> 6gt
  imap <D-6> <Esc>6gt
  map  <D-7> 7gt
  imap <D-7> <Esc>7gt
  map  <D-8> 8gt
  imap <D-8> <Esc>8gt
  map  <D-9> 9gt
  imap <D-9> <Esc>9gt
else
  " Map command-[ and command-] to indenting or outdenting
  " while keeping the original selection in visual mode
  vmap <A-]> >gv
  vmap <A-[> <gv

  nmap <A-]> >>
  nmap <A-[> <<

  omap <A-]> >>
  omap <A-[> <<

  imap <A-]> <Esc>>>i
  imap <A-[> <Esc><<i

  " Bubble single lines
  nmap <C-Up> [e
  nmap <C-Down> ]e
  nmap <C-k> [e
  nmap <C-j> ]e

  " Bubble multiple lines
  vmap <C-Up> [egv
  vmap <C-Down> ]egv
  vmap <C-k> [egv
  vmap <C-j> ]egv

  " Make shift-insert work like in Xterm
  map <S-Insert> <MiddleMouse>
  map! <S-Insert> <MiddleMouse>

  " Map Control-# to switch tabs
  map  <C-0> 0gt
  imap <C-0> <Esc>0gt
  map  <C-1> 1gt
  imap <C-1> <Esc>1gt
  map  <C-2> 2gt
  imap <C-2> <Esc>2gt
  map  <C-3> 3gt
  imap <C-3> <Esc>3gt
  map  <C-4> 4gt
  imap <C-4> <Esc>4gt
  map  <C-5> 5gt
  imap <C-5> <Esc>5gt
  map  <C-6> 6gt
  imap <C-6> <Esc>6gt
  map  <C-7> 7gt
  imap <C-7> <Esc>7gt
  map  <C-8> 8gt
  imap <C-8> <Esc>8gt
  map  <C-9> 9gt
  imap <C-9> <Esc>9gt
endif


au ColorScheme *.{md,mdown,mkd,mkdn,markdown,mdwn} highlight ExtraWhitespace ctermbg=red guibg=red
" Ensure 5 lines of context always visible about cursor
set scrolloff=5
" ', ' maps to clear highlights
nnoremap <leader><space> :noh<cr>
" ',cd' changes directory to the current file's parent
nnoremap <leader>cd :lcd %:h<cr>
" Open a new vertical split and then switch to it.
nnoremap <leader>w <C-w>v<C-w>l
" Insert variable definition for default register content using last
" inserted text.
nnoremap <leader>v O<C-A> = <C-R>"<Esc>
" Control-[hjkl] navigate between splits.
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l
set background=dark
nnoremap <leader>mh yypv$r
"nnoremap <leader>ml mLyi]Go[<Esc>pA]: <Esc>`L
nnoremap <leader>ml mLya]Go: <Esc>0P`L
nnoremap <leader>mL mLya]Go: <Esc>"*p0P`L
nnoremap <leader>bd :b#<bar>bd#<CR>
au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} setlocal spell spelllang=en
au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} highlight ExtraWhitespace ctermbg=darkgreen guibg=darkgreen
au BufRead,BufNewFile *.{md,mdown,mkd,mkdn,markdown,mdwn} match ExtraWhitespace /\s\+$\|\t/
" Don't unload buffers when switching (preserves undo history):
set hidden
"*****************************************************************************
" Vim Sessions
"*****************************************************************************
" ignore 'options' because of latex-suite (would be pointless to save that!)
set sessionoptions=blank,curdir,folds,help,resize,tabpages,winsize
map <leader>ss :mksession! ~/.vim/.session<cr>
map <leader>sr :source ~/.vim/.session<cr>

" Don't have YouCompleteMe ignore any files
" (especially not Markdown!)
let g:ycm_filetypes_to_completely_ignore = {}
let g:ycm_complete_in_comments_and_strings = 1
let g:ycm_collect_identifiers_from_comments_and_strings = 1
"let g:ycm_semantic_triggers =  {
"  \   'c' : ['->', '.'],
"  \   'objc' : ['->', '.'],
"  \   'cpp,objcpp' : ['->', '.', '::'],
"  \   'perl,php' : ['->'],
"  \   'cs,java,javascript,d,vim,ruby,python,perl6,scala,vb,elixir' : ['.'],
"  \   'coffee' : ['.'],
"  \   'lua' : ['.', ':'],
"  \   'erlang' : [':'],
"  \ }

set guifont=Menlo\ for\ Powerline

let g:ackprg = 'ag --nogroup --nocolor --column'
let g:ctrlp_clear_cache_on_exit=0
" Have CtrlP use Vim's cwd not it's smarty pants stuff.
let g:ctrlp_working_path_mode=0

" Code folding based on indent for CoffeeScript
au BufNewFile,BufReadPost *.coffee setl foldmethod=indent
" Unfold one level
au BufNewFile,BufReadPost *.coffee normal zMzr