Merge pull request #446 from apartensky/baylie-20131212-setmanager

Baylie 20131212 setmanager
Added Limma analysis download in tsv format. fixes #441.
Added Limma analysis significance note. fixes #448.
Fixed Limma Table heigh quirks.
Added previous clustering tree on heatmap page reupload. fixes #449.
Error fix
Added fixed cell height. fixes #450
Adding sideload REST API for TCGA data along with one sample file. Rest
URL is same as upload, a post request to /dataset; however instead of
'upload' parameter it'll now look for the 'load' parameter with the
value being one of the string keys in WorkspaceController.presets map
Fixed TSV mime type, import cleanup
Merge pull request #451 from jfarid27/working-branch

Working branch
Front end for loading preset datasets
Merge pull request #452 from lev-kuznetsov/master

Loading preset datasets