Added welcome screen layout

Using the storyboard I created the welcome screen layout.
Create fragment class for username
Started work on the username fragment
Merge pull request #55 from linster/master

Added AddQuestion DialogFragment and sort menu
Added functionality (onclick listeners) to files
Adding Stefan's things to my branch
Merged my string.xml file with Stefan's branch
Created view comment dialog fragment class with accopanying xml layout.
considered the need to apply data to the text views but need to coordinate that with group.
Added commented code for possible implementation I understood. Not tested.
Have dialog fragment for username opening

Stefan and I have got the dialog fragment working but not returning to
Main Activity or returning the username
Created Add Comment dialog Fragment and accompanying layout addcommentdialog.xml
as before added commented data manipulation for coordination.
Welcome screen returns username to MainActivity
Add username to the data manager
Got rid of Datamanager bit, added title to fragment
Merge pull request #56 from CMPUT301F14T14/WelcomeScreen

Welcome screen
Do not run tests on Travis. Only check build.
Add boilerplate activity for Question.
Add base question view
Add indent settings so people stay consistent
Merge pull request #59 from CMPUT301F14T14/question-activity

Question activity
Merge pull request #61 from CMPUT301F14T14/CommentFragment

Created view comment dialog fragment class with accopanying xml layout.