Clean up approvals index
Clean up projects#show and approvals#index

Also fix broken links on approvals#index page
Clean up groups#show
Change admin permissions for projects
WIP specs for project show page
Refactor project action links with Tell, Don't Ask
Slightly refactor projects feature spec
Make groups validate presence of description
Improve the 'sign up' and 'sign in' interfaces
Clean up edit user profile page
Merge and clean up the two user profile pages
Put the user profile page on a neat grid
Resize images for the user profile page
Fix regression bug on project show page