added rich-text editing to descriptiosn in 'create' view

updated angular-js to 1.2.14, added ng-ckeditor module
Merge pull request #17 from joemfb/rich-text

added rich-text editing to descriptions in 'create' view
simplified browser selection in /create, added browser display in /demo
Merge pull request #18 from joemfb/browser-checkboxes

simplified browser selection in /create, added browser display in /demo