Add title to push info attributes

This ul provides push info to javascript.
Add stageenv field to editpush
Move everything to a subdir
Add packaging metadata
Use env python for scripts
Make pushmanager.testing more explicit in imports
Fix import pushmanager.servlets
Fix import pushmanager.testing
Use explicitly imported pushmanager.testing modules
Add explicit imports from pushmanger.testing
Fix import for ui_*
Fix import pushmanager.pushmanager_main
Fix import pushmanager.core