added old tests again.

removed the NetworkParameters parameter from the constructors of neuron and neuronlink
-> using setNetworParameters instead
added Momentum parameter to quickproptest
merge
Merge branch 'master' into arch

Conflicts:
	backprop/backpropneuron.cpp
	backprop/backpropneuron.h
	backprop/backpropneuronlink.cpp
	neuron.cpp
	neuron.h
	neuronlink.h
	quickprop/quickpropneuron.h
	quickprop/quickpropneuronlink.cpp
	quickprop/quickpropneuronlink.h