Conflicts:
	easybuild/easyblocks/o/openfoam.py
	easybuild/tools/toolkit.py

rename toolkit.toolkit_compiler_family to toolkit.compiler_family and toolkit.toolkit_mpi_type to toolkit.mpi_type

get rid of use of SOFTROOT and SOFTVERSION, clean unused imports in application.py and easyblock.py, fixed small bugs

Conflicts:
	easybuild/easyblocks/i/imkl.py
	easybuild/tools/toolkit.py

Conflicts:
	easybuild/framework/application.py
	easybuild/tools/toolkit.py

merge regtest into develop

Fix merge

fix debug printing

315 regtest rework

specify UMFPACK and CHOLMOD include directories explicitly, with UFconfig dir included (required to find UFconfig.h during UMFPACK/CHOLDMOD tests)