Update Edit link on Ticket list

Previously, edit link would be shown regardless of permissions, leading
to the user getting a "403 Forbidden" page when it was clicked.

This fixes that by restricting the visibility of the edit link based on
the user's permissions for a project.
Filter Projects index by authorizations

Projects now only shows projects where the user has any permissions.
Add admin permission to Project creator
Merge branch 'release/0.5'