Increase oembed cuke stability

By using the more robust step for posting
Fixed bootstrap pages
Merge pull request #5165 from jaideng123/5106-scrolling_in_notifications

Fixed notifications dropdown on bootstrap pages
Redesign contacts page
Add modal to add contacts
Display all contacts in the contact list
Add contacts search and port aspect membership save/destroy to backbone
Fix some tests
style changes + fix backbone save
I can haz green tests?
Add tests