some renaming and code cleaning in PFV code
some renaming and code cleaning in PFV code (part2)
PFV: First step in refactoring templates
dummy engine for showing how to derive from FlowEngine + a preliminary version of DFNFlow
make FlowEngine a template yade class
Periodic version of flow engine in separate source files
PFV: simplify (c++ wise) value assignement to Info types. More refactoring. Final step of code cleaning.