renamed survey_contact model to dialogue
updated some hanging references to survey_contact model
Merge branch 'develop' into feature/rename_surveycontact_to_dialogue

* develop:
  fixed crash on form list.
  Added Tests to prove sms conversations working
  Recieving text messages and routing them, small changes to CHRIS' DB
  added very basic import to add phone contacts for testing
renamed surveycontactadapter to dialogue adapter
renamed surveys_contacts table to dialogues
Merge pull request #18 from smap-consulting/feature/rename_surveycontact_to_dialogue

Rename SurveyContact to Dialogue - don't forget to re-install the app on your emulator/phone to get the latest DB!