Merge pull request #85 from kevb0001/umass_branch

Help page format
changes for user
fixing schema conflict
some changes so that projects on signup page
changing routes
Merge pull request #86 from jjliang/umass_branch

Umass branch
fixed devise controller override
Merge pull request #87 from jjliang/staging

Staging
fixed up sign_up view so user can tab through the fields
Merge pull request #88 from jjliang/umass_branch

Umass branch
fixed sign up error message, edited home#index
Merge branch 'umass_branch' into staging
added validation for uniqueness of username, and presence of project_id
Merge pull request #90 from jjliang/staging

Staging
Added region tab.  Fixed Autocomplete
Added region tab.  Fixed Autocomplete
Fixed migration issues.  Commented out default_nils changing location lat,long to decimal from array
Merge pull request #91 from diceydawg/umass_branch

Umass branch
fixed up the show, and edit for users, now approval of users is functional. Also edited users controller so it is not accessible by a user role
fixed conflicts