Renamed trigger.
Migration for all missing updatedAt values.

It seems only users collection is having them, but still, migration is
applied to all collections having updatedAt field.
Revert "Renamed trigger."

This reverts commit dfa3a1961eed61144b09b2e380dcfebffb800ebd.

Conflicts:
lib/documents/accounts.coffee
Merge branch 'development' of github.com:peerlibrary/peerlibrary into development
Fixed link to contributing.
About page updated w/ headshots
Major update to terms of use and privacy policy.
About page updated, headshots formatted in rows, seperated styling out.
Upgraded Kadira dependency.
New member added, about html/css pages cleaned up #517
Indent spacing fixed, spelling fixed, deleted extra spacing #517
Attempt at Microformats
Attempt #2 Microformatting #517
Added lastActivity field to entities. Fixes #476
Changed css to unordered list styling, microformatting edits #517
Combined <li> and <div>, replaced last </div> with </ul>, took out inline style #517
Updated migrations.
Removed display formatting for list #517
Merge branch 'development' into index-views

Conflicts:
	client/css/main.styl
	client/templates/privacy.html
	client/templates/terms.html
	lib/documents/annotation.coffee
	lib/documents/publication.coffee
Renamed migrations for correct order.