Added serialization, initialization, settings
Merge remote-tracking branch 'origin/marcus-0.7.2' into merge-marcus-+-master-to-v0.7.3

Conflicts:
	application/v1_0/mad2013_itslearning/src/com/example/mad2013_itslearning/ExpandableListAdapter.java
	application/v1_0/mad2013_itslearning/src/com/example/mad2013_itslearning/MainActivity.java

Will try to fix conflicts.
Conflics resolved

Also re-instated the old progress dialog