Merge pull request #229 from pachalad/master

Added another test for the comment model. This should be fine now.
Merge pull request #230 from pachalad/master

Added more tests to the questionmodel test. This should be fine now. Wil...
Merge pull request #232 from pachalad/master

Commented on postcontroller
finding out where null pointer exceptions coming from in test cases, added get method to viewq for dialog test
Merge pull request #233 from tbrockman/master

finding out where null pointer exceptions coming from in test cases, add...
Fixed posting test file. it runs now.