Removing hidden from data sets
Removing hidden from data sets
Lots of things were ignoring hidden data sets.
Don't link to deleted project.
merging
Merge pull request #1655 from NatTuck/saved-viz-with-no-project

Don't link to deleted project.
Clone should copy description.
fixing automerge problem
Merge pull request #1656 from NatTuck/clone-project-desc

Clone should copy description.
Merge pull request #1653 from jdalphon/jd_issue1642

Removing all traces of data_sets being hidden
contributor keys now work and all the rake tests pass, however there are a few errors
merge conflict
down to three errors