make MFSubdomain be a subclass of MFIntegrateUnit
rename to more clear ones
merge MFSubdomain to MFIntegrateUnit
make a new package for indexing node assemble index
tidy the structure of NodesAssebleIndexers
add spring dependancy
set logging level of spring framework to INFO
add gitignore entry for spring
add a spring bean config clone
make seperate assmeblers beans java config class
make MFIntegratorFactory more independant
make AnalysisModel extend PhysicalModel
rename ChainPhM to ChainPhysicalModel
extract MFRectangle from RectanglePhysicalModel
move analysis model factories to a seperate package
move volume load related helper method to ModelUtils
relax ChainAnalysisModelFactory input type from ChainPhysicalModel to
PhysicalModel
add more convenience methods
separate 1d Poisson sample model from project mechanism
let integrate accept more general IntegrateUnits