Added double tabs for side panel expansion. fixes #676
Added side tree redraw on column selections add. fixes #675.
Merge pull request #678 from apartensky/master

Server-side t-test/anova integration, presets grid tweek
Added in place cells updating. fixes #679
Merge pull request #680 from jfarid27/fix-front-end

Fix front end
Added t-test and anova modals and directive scopes. Needs finalization of http request and linking to initiation button.
Merge pull request #681 from jfarid27/master

Added t-test and anova modals and directive scopes. Needs finalization o...
Fixing anova controller to take in selection names as json array in
request body
Removed selections element from url
Merge pull request #682 from lev-kuznetsov/master

Anova backend fixes
TTestController - added json POST methods for one/two/paired sample t-tests