SD-825 : Desk dropdown

Fixed, and also made a small fix that was breaking SD-769
chore(bower): update dependencies

- angular 1.3-rc.5
- drop sha lib
fix(tasks): display new 'pick' icon

add new icon for picking tasks

SD-740
fix(preview-pane): display actions properly

Make all actions for a content item and task available in the right
preview pane

SD-751
fix(content): fix desk 'views' overflow

Content Views list were appearing wrong with big number of views

SD-824
fix(tasks): Fix styling in task preview
Merge remote-tracking branch 'gabriel/bugs' into devel
Merge remote-tracking branch 'nikola/ui-fix' into devel

Conflicts:
	app/scripts/superdesk-dashboard/module.js
	app/scripts/superdesk-desks/views/user-desks.html