gistfile1.txt

1)
.bowerrc set up 
from www/lib
to bower_components
2)
delete www/lib folder
3)
in folder scss
// The path for our ionicons font files, relative to the built CSS in www/css
$ionicons-font-path: "../lib/fonts" !default;
// Include all of Ionic
@import "./bower_components/ionic/scss/ionic";

//gulpfile

var gulp = require('gulp');
var runSequence = require('run-sequence');
var concat = require('gulp-concat');
var sass = require('gulp-sass');
var minifyCss = require('gulp-minify-css');
var rename = require('gulp-rename');
var ngAnnotate = require('gulp-ng-annotate');

var paths = {
  sass: ['./scss/**/*.scss'],
  vendors: [
    './bower_components/ionic/js/ionic.bundle.js',
    './bower_components/ngstorage/ngStorage.js'
  ],
  scripts: ['./www/modules/**/*.js'],
  fonts: './bower_components/ionic/fonts/**'
};

var files = {
  vendors:'vendors.js',
  scripts:'scripts.js'
};

var dests = {
  vendors:'./www/lib/js',
  scripts:'./www/lib/js',
  fonts:'./www/lib/fonts'
};


gulp.task('sass', function(done) {
  gulp.src('./scss/ionic.app.scss')
    .pipe(sass())
    .pipe(gulp.dest('./www/css/'))
    .pipe(minifyCss({
      keepSpecialComments: 0
    }))
    .pipe(rename({ extname: '.min.css' }))
    .pipe(gulp.dest('./www/css/'))
    .on('end', done);
});

gulp.task('vendors', function() {
  return gulp.src(paths.vendors)
    .pipe(concat(files.vendors))
    .pipe(gulp.dest(dests.vendors));
});

gulp.task('scripts', function () {
    return gulp.src(paths.scripts)
        .pipe(concat(files.scripts))
        .pipe(ngAnnotate())
        .pipe(gulp.dest(dests.scripts));
});

gulp.task('fonts', function() {
  return gulp.src(paths.fonts)
   .pipe(gulp.dest(dests.fonts));
});

gulp.task('default', function(callback) {
  runSequence(
              ['vendors','scripts' ,'fonts'],
              'sass',
              callback);
});

gulp.task('watch', function() {
  gulp.watch(paths.sass, ['sass']);
  gulp.watch(paths.scripts, ['scripts']);
});



ionic.project

{
  "name": "mygulp",
  "app_id": "",
  "defaultBrowser": "firefox",
  "gulpStartupTasks": [
    "sass",
    "scripts",
    "watch"
  ],
  "watchPatterns": [
    "www/**/*",
    "!www/lib/**/*",
    "!www/css/**/*"
  ]
}