Merge pull request #43 from tangosource/developer_rb

Namespaces
Merge pull request #44 from tangosource/developer_rb

backs to user namespace
Merge pull request #45 from tangosource/developer_rb

admin namespace
Project autoload categories selector
Merge pull request #46 from tangosource/developer_gq

Project autoload categories selector
Merge branch 'master' of github.com:tangosource/trainees-2013-H2-3 into developer_rb
Admin recive a notification when a project is created