Changed BlackboardClient to be more useful.
Subscriptions are no longer limited to insert operations using the
topic - message format.
Deleted BasicMessage.
Added file headers and brief descriptions to new BlackboardClient files.
Merge remote-tracking branch 'origin/development' into development

Conflicts:
	src/libraries/blackboardJavaClient/src/nl/hu/client/BlackboardClient.java
Merge branch 'development' of github.com:hesselmeulenbeld/HUniversal-Production-Utrecht into development