Start using the new surveys endpoint and API. Refactor and rename the survey response object.
Merge branch 'ent_surveys' into dialog_surveys

Conflicts:
	apptentive-android-sdk/src/com/apptentive/android/sdk/SurveyModule.java

Also added some code to make it continue to work post merge.
Merge branch 'dialog_surveys' into dialog_surveys_2

Conflicts:
	apptentive-android-sdk/src/com/apptentive/android/sdk/SurveyModule.java
Fix bug where survey text answers weren't being sent.