Check for merge
Partially implemented openID login.
SendAnswerActivityTest Progress

Had some trouble setting up an ActivityTest, this is the progress till
now.
Small adjustments in SendAnswerActivityTest

Had to make sure the activity was closed after running a test so other
tests can be run afterwards.
Added AuthenticationManager which van provide access tokens.
Added method to retrieve base64 encoded authorization header.
added comments to the code
improved the comments using the correct method
Merge pull request #11 from SimonBorger/master

Login functionality has been added.
Merge remote-tracking branch 'upstream/master'
Incoming question list searching

It should now be possible to search in the list of incoming questions.
Commit for merge
Can't update git
2nd try to update
Merge remote-tracking branch 'upstream/master'
Test Added

Unittest Feedback, Review, Answer finished
Search mechanic working (No filter yet)

The search field works but there is no working filter so no results are
given yet.
Merge pull request #12 from Belithraldor/master

Test Added
Search filter functional

The list of questions is currently filtered by the text of the question,
later username could be added to the filter or it could be changed to
the title of a question when we stop using the dummydata.
Added comments

Little cleanup and added comments.