Insights redesign
* Remove dashboard & related assets/tests
* Switch to Bootstrap semantics
* Add redesigned Twitter & Facebook account management for hosted app
* Implement new navigation menu
Don't serialize users setPeople call
Insight cleanup and redesign.
Added setButton for related data, made some related data items use arrays, and added a fix for a nasty serialization bug in the updater.

Conflicts:
	webapp/plugins/insightsgenerator/insights/amplifier.php
Merge conflict resolved
Made profiler nicer.