Re added building previous analysis.
Slight controller edits
Added scrolling pagination.
Removed forced scroll bar on import page.
Centered y axis text.
Fixed small bug in dendogram updating.
Merge remote-tracking branch 'dfci-mev/master' into pagination-addition

Conflicts:
	web/src/main/javascript/edu/dfci/cccb/mev/web/javascript/directives.js
Merge pull request #665 from jfarid27/pagination-addition

Pagination addition