Includes bootstrap sass

* disables SortedProperties and StringQuotes in .scss-lint.yml
* watches the index.jade file in the Gruntfile
* includes bootstrap responsive tags in the index.jade
Includes AngularUI's Bootstrap directives utility

* In place of default bootstrap javascripts, use properly angular structured code
* Moves bootstrap imports into independent manifest file
Fixes build problem with Travis not picking up version suffixes
Alters the SCSS lint configuration to allow files without a trailing newline
Merge branch 'master' of https://github.com/ninjatronic/angular-grunt-seed

* 'master' of https://github.com/ninjatronic/angular-grunt-seed:
  Update README.md