Better parallel output (almost all prints include rank number)
Parallel versions of determineNextDT, absmax and normalize added
Started parallel version (based on domskis parllelization)
Merge branch 'master' of github.com:marcoheisig/flux

Conflicts:
	nusif-mpi/src/SORSolver.cc
Revert "Merge branch 'master' of github.com:marcoheisig/flux"

This reverts commit 8052d4d1f944abd219b72c75b4ff009aad673327, reversing
changes made to 8658630d27602f5b4721f11f75e62a3e3dd320f6.
Change line 47/48 for SOR parallelization activation