Converted selections key objects.
Fixed selections and added new selections behavior.
Added limma analysis and anova analysis.
More work on updating.
Re-Added selections on heatmap.
Merge remote-tracking branch 'dfci-mev/pre-dev' into 140505-fix-issues

Conflicts:
	web/src/main/javascript/edu/dfci/cccb/mev/web/javascript/app.js
	web/src/main/views/edu/dfci/cccb/mev/web/views/elements/heatmapNavigation.ftl
Minor syntax fix
Added dynamic linking for brand icon to traverse back to datasets.
Cleaned some old code
Merge pull request #740 from jfarid27/140505-fix-issues

140505 fix issues