Change models for content
Merge branch 'master' of https://github.com/Apptitive/Apptitive-Content-Display

Conflicts:
	content display/src/main/java/com/apptitive/content_display/MainActivity.java
	content display/src/main/java/com/apptitive/content_display/helper/DbManager.java
Merge branch 'master' of https://github.com/Apptitive/Apptitive-Content-Display

Conflicts:
	content display/src/main/java/com/apptitive/content_display/MainActivity.java
	content display/src/main/java/com/apptitive/content_display/model/DbContent.java