Added a method to the Project model to get an array of members with an assignable role.
Use the new method to get assignable project members.
Update version to 3.2.2
Update install and upgrade files.
Merge remote-tracking branch 'upstream/master'
Fix install.sql
Allow changing the assignable status of roles.
Merge remote-tracking branch 'upstream/master'
Set HTTP headers for 404 and no permission pages.
Show no permission page for admin pages if the user is logged in.
Fixed issue with new wiki page creation.
Merge remote-tracking branch 'upstream/master'