Delete dashboard ui test gemfiles.
Merge pull request #1166 from code-dot-org/gemfiles

Delete dashboard ui test gemfiles.
Create user_permissions table.
do not show edit level links to non-admins
schema.rb
Merge pull request #1168 from code-dot-org/nonadmin-no-edit-link

do not show edit level links to non-admins
Merge pull request #1169 from code-dot-org/finished

DTD dashboard