Debug trace fixed if was called outside of a function
Added button icon
Swapped search and "new account" button
Added button icon
Added account editing UI, including promoting and deleting users (no UI for adding yet).
Renamed ambigous configuration setting UserConfig::$enableInvitations -> UserConfig::$adminInvitationOnly
Updated invitation only setting, fixed <pre> formatting.
Added spaceencode helper function
Updated Invitations to actually use email and name fields, updated admin UI
Added user invitations functionality
Merge branch 'master' of git://github.com/StartupAPI/users

Conflicts:
	dbupgrade.php