Update angular-toggle-switch.js

Added attributes: enabled, editable
Update angular-toggle-switch.css

Added disabled class
Removed bootstrap theme
Update angular-toggle-switch.js
Update angular-toggle-switch.js
Update angular-toggle-switch.js
Changes:
"enabled" attribute is now "disabled"
"editable" attribute removed

attr.$observe pattern applied instead of $watch
Indentation set to 2 spaces
angular-toggle-switch.js:
  Indentation set as original file from @cgarvis's repo
angular-toggle-switch.css:
  Set as original file - added disabled class
angular-toggle-switch.js:
  Text editor is trolling me big time. Set indentation on 2 spaces line by line. Hope this is it.
added ng-class="{ \'disabled\': disabled }"  lost in indentation wars
Merge branch 'master' of https://github.com/mmaestri/angular-toggle-switch into mmaestri-master

Conflicts:
	angular-toggle-switch.js