Revert "Added a list of users for every plate. This will allow multiple users to have access"

This reverts commit 2ffc1c2b82aedb53888c36688b64bcece0338248.
minor fix to manage project view
separated plate generation & email sending logic and now temp plate layouts are always deleted
Added listPlates, assignPlate, unassignPlate, listPlateByUser
Plates schema has a asignee and a isAssigned flag
Merge branch 'master' of https://github.com/dejesus2010/CEN3031Project

Conflicts:
	mean/app/controllers/projects.server.controller.js
closed user story 15 with progress bar described in #39. it should still be added to the next form of project listing table we use, however.  also fixed formatting of description & etc in project view page
Merge branch 'master' into ryan
Merge branch 'master' of https://github.com/dejesus2010/CEN3031Project
Merge branch 'master' of github.com:dejesus2010/CEN3031Project into ryan
Work List page displays the list of plates to perform a step on