Merge pull request #353 from lev-kuznetsov/master

Download now works in both format=json and format=tsv
Added tabbed imports page and mockup for uploads table.
Fixed id bug in link.
Added API dataset function and results to uploads table.
Merge remote-tracking branch 'dfci-mev/master' into import-redux
Added redirect and on click linking
Added heatmap url linking to uploaded datasets.
Use dataset tsv builder for annotations mocks
Merge pull request #359 from apartensky/baylie-20131126

Use dataset tsv builder for annotations mocks
Merge pull request #358 from jfarid27/import-redux

Import redux
Changes to json serializer
Merge pull request #360 from jfarid27/import-redux

Changes to json serializer
Resolving conflicts
Fixing dataset json serialization