Fixed selection add header.
Added filtering condition for empty input cells on limma tables. fixes #641.
Cleared log line.
Added selection modal on limma selections.
Added double click and single click functions for side panel. fixes #636. fixes #643
Merge remote-tracking branch 'dfci-mev/master' into front-end-updates
Merge pull request #645 from jfarid27/front-end-updates

Front end updates