Added letter overlays to denote different keys on show view, can select by contrib keys that have been deleted
Intermediate changes for Letter overlay on key icons and selecting data sets that have been deleted.
Fixes an intermediate issue where the delete button did not work (totally my fault)
Merge branch 'master' of https://github.com/isenseDev/rSENSE
Merge branch 'master' of https://github.com/isenseDev/rSENSE into jk1273_final_branch
Final changes for selecting data sets by contrib key
Added key image file
Style changes!
Merge branch 'master' of https://github.com/isenseDev/rSENSE into jk1273_final_branch
(Hopefully last) Styling changes!
Merge pull request #1451 from JKinsman1993/jk1273_final_branch

Contrib Key Sorting feature for a project's data sets