CORE - corrected solver subroutine finding best allocation in domain
CORE - work on solver heuristic. select most conflicting occurrence
CORE - heuristic of confliction area. refactoring solver code.
CORE - save before intervalmultimap refactoring and cleanup
CORE - intervalmultimap refactor and cleanup. code moved and polished in other classes.
CORE - refactoring of common code.