adding relative path config in wsgi file for clustered environments.
adding relative path option to admin wsgi file.
Merge pull request #15 from cturra/master

adding relative path config in wsgi file for clustered environments.
Merge branch 'master' into newer-attributes
Handle requests from buildTarget's with no update, and don't error when wrong request to use partial
bug 922625: investigate more OutdatedDataErrors on balrog. r=nthomas
Fix mounting of code for newer vagrant
Merge from upstream/master