extract MFIntegrateUnit and let it be the input of integrator cores
seperate SubLineDomain from SegmentSubdomain
seperate SubLineDomain from SegmentSubdomain
use map instead of rigid MFIntegrateTask
merge MFSubdomainType to MFProcessType
rename process.integrate.point to process.integrate.unit
remove dimensional demand of MFIntegrateUnit
remove unfunctional SCNI classes
generalize SegmentSubdomain to GeomUnitSubdomain
remove synchronized clonable methods of MFLoad
tidy MFLoad hierachy

  * lift all the getLoadValue() and getLoadValidity() like methods up to MFLoad
  * rename VolumeLoad to SpatialLoad
  * extract facilitate abstract implementations
move integrator cores to a seperate package
add GPLv3 license