WIP
js fixes for groups tab
Add == to storables.
Add support for redis hash multi set
Add metric data by group
refactor dashboard helpers.
Add many things to set at once.
Have test use has_set for variations
Change title in HTML view of Active Variations.
Revert "refactor dashboard helpers."

This reverts commit 4da4d7cf01ad42df8b909eb717e888d5ecdbe0b5.