My settings for Sublime Text 2

Default (OSX).sublime-keymap

[
    { "keys": ["ctrl+enter"], "command": "repl_transfer_current", "args": {"scope": "lines"}},
    { "keys": ["ctrl+shift+enter"], "command": "repl_transfer_current", "args": {"scope": "selection"}}
]

MarkdownPreview.sublime-settings

{
    "enable_mathjax": true
}

Package Control.sublime-settings

{
	"installed_packages":
	[
		"AdvancedNewFile",
		"JSHint",
		"LaTeXTools",
		"Markdown Preview",
		"MarkdownEditing",
		"Package Control",
		"SublimeLinter",
		"SublimeREPL"
	]
}

Preferences.sublime-settings

{
	"color_scheme": "Packages/User/SublimeLinter/Monokai (SL).tmTheme",
	"detect_slow_plugins": false,
	"ignored_packages":
	[
	],
	"rulers":
	[
		80
	],
	"translate_tabs_to_spaces": true,
	"use_indent_to_bracket": true,
	"vintage_start_in_command_mode": true,
	"vintage_use_clipboard": true,
	"word_wrap": true,
	"wrap_width": 80,
	"trim_trailing_white_space_on_save": true
}