Hodgkin Huxley Plugin with multicompartment extension 
29.08.14 implementation of methods to determine the type of the compartment 
- type = 1 ==> somatic compartment
- type = 2 ==> axonal compartment
- type = 3 ==> basal dendritic compartment
- type = 4 ==> apical dendritic compartment

+ several tests performed in the main-method