Adds documentation to ShowQuestionsAdapter.
Make the tests compile, due to recent changes.
Add a SearchActivityOfflineTest class that explores #133
Resets communication each time the ShowQuestionActivity is launched (fixes #134 & #135)
Close communication properly.
Limit the search query to 80 chars (quickfix #137)
Correct small db leak in tearDown()
Add another test class to study #133
Fix #133 (yes, that's one single line added)