feat(item-comments): implement authoring widget for comments

SD-505 SD-517
fix(comments): fix tests via using angular.bind
feat(comments): implement ui

add some styling to the widget
fix(urls): make it work with eve returning relative urls

since 0.5 version eve returns urls relative to api root
fix(item-comments): save on enter, add new line with shift
Merge branch 'feat-item-comments' into devel
fix(styling): remove images and add styles for dropdowns

fix(styling): improve modals and navigation blocks
feat(views): add some content to view popup

feat(views): add field for query
fix(styling): improve modals

fix(views): remove old "baskets" ui
Merge pull request #374 from petrjasek/fix-server-urls

fix(urls): make it work with eve returning relative urls
Merge remote-tracking branch 'nikola/feat-views' into devel
fix(auth): Styling of form errors

SD-561
Merge remote-tracking branch 'nikola/devel' into devel