Add JUnit dependency.
Add proper namespace to packages.

Core, IO, and math used to be in the global namespace. To prevent naming
collisions everything related to myriad is now under the
com.myriad_toolkit namespace.
Merge branch 'master' of github.com:TU-Berlin-DIMA/myriad-java

Conflicts:
	myriad/src/main/java/com/myriad_toolkit/myriad/io/AbstractStateMachine.java
	myriad/src/main/java/com/myriad_toolkit/myriad/math/HashRandomStream.java