style(app): remove extra spaces from decorator template

closes #575
fix(build): rewrite relative CSS URLs

Fix useminPrepare task to rewrite relative CSS urls

First, tell useminPrepare to only 'cssmin' our CSS files (dropping the
concat task). See https://github.com/yeoman/grunt-usemin/issues/225.
Second, tell cssmin to rewrite relative urls to be relative to our app
directory.

This is particularly useful for bower install components that have CSS
files that reference relative urls. ie.

```
.
├── app
│   └── bower_components
│       └── component
│           ├── images
│           │   └── image.png
│           └── style.css
└── build
```

```
body {
background: url('images/image.png');
}
```

Will have now properly rewrite it's image url to
```
body {
background: url('bower_components/component/images/image.png');
}
```
Merge branch 'pr/567'

Close #567
chore(deps): latest grunt-newer

The 0.6 release deprecates the "any-newer" task (which you were not using) and folds the same functionality into the "newer" task.  See the [changelog](https://github.com/tschaub/grunt-newer/blob/master/changelog.md) for more detail.  This avoids issues like tschaub/grunt-newer#31.
Merge pull request #586 from tschaub/patch-1

Update grunt-newer
docs(docs): change "Twitter Bootstrap" to "Bootstrap"

change "Twitter Bootstrap" to "Bootstrap" in readme.md per per http://getbootstrap.com/about/#brand
fix(app): change "Twitter Bootstrap" to "Bootstrap"

change "Twitter Bootstrap" to "Bootstrap" per http://getbootstrap.com/about/#brand
Merge pull request #592 from cvrebert/master

"Twitter Bootstrap" is now simply Bootstrap
style(app): indent the generated `app.js` in a less off-putting manner.
Merge pull request #598 from stephenplusplus/pretty

style(app): indent the generated `app.js` in a less off-putting manner.
feat(deps): upgrade to grunt-bower-install 1.0

Upgrade command changed from `grunt bower-install` to `grunt bowerInstall`.
Merge branch 'pr/588'

Close #588
feat(deps): upgrade AngularJS + addons to 1.2.14
fix(app): correct adding scripts path to index.html

Replace '\' character globaly in scripts path
Merge pull request #606 from IFours/master

fix(app): correct adding scripts path to index.html
chore(deps): update dependencies

Update grunt-contrib-compass, grunt-concurrent and load-grunt-tasks.

Closes #604
feat(deps): use official Sass version of Bootstrap

Use the official Bower version of Bootstrap Sass. Also updates it to
version 3.1.0

Closes #607
feat(build): use bowerInstall on `watch` task

When the bower.json file changes, run `grunt bower-install` to update
the HTML files with references
feat(app): add glyphicon to test bootstrap fonts

Adding an actual use of the glyphicons to test when its working or not
feat(deps): upgrade AngularJS version

Upgrade AngularJS to the latest stable version