[FEATURE][TEMP] Continues XMLWriter implementation
Merge branch 'alex'
[FEATURE] Add addRoom/removeRoom to maze
[FEATURE] Added room add action to menu, adding a new room to maze with
default values
[COMMENTS] Added explicit comments/javadoc to BuilderActivity
Merge branch 'alex'

Conflicts:
	src/fr/upem/android/deadhal/maze/Room.java
temp
Merge branch 'master' into remy
Display using maze