contributor update
merge
added myself in contributors list
added myself in contributors list
adding in Cassandra to contibutors
Merge pull request #15 from zmustapha/dev-zarina

Contributor list edit
Merge branch 'coati-00-master'
merge
merge
added .DS_Store
Merge branch 'master' of https://github.com/ccnmtl/dmt into dev-zarina
Merge pull request #16 from zmustapha/dev-zarina

Added .DS_Store in .gitignore
sortable table first cell width
Merge branch 'master' of https://github.com/ccnmtl/dmt into rachelle-stuff
Merge branch 'master' of https://github.com/ccnmtl/dmt
tests for add action item.
Merge branch 'master' of https://github.com/ccnmtl/dmt into action-item-enhancement

Conflicts:
	.gitignore
add delete item functionality. see PMT #93943

UI follows the same pattern as the old PMT. We want to discourage people from
deleting items, since that would throw away history.

So the "delete item" button is hidden off on the edit item page.
table filtering
flake8'ing