Changed QraatUser to work with django admin, added ModelBacked to Authenticate
Added transmitters models to hello/models, added comments to qraat_auth/models, Added djago's default userbackend to settings
Added create_transmitter test, fixed transmitter type_info field
Added admin track, sitelists, and tx forms
Changed TxInfo string presenter
Before changing hello app name,Position data added

Before merging with Jey's branch. Position data added from lat and lon in html form.
Merge branch 'alisha' into jey_qraat_site_0.1