fix BLACS and ScaLAPACK build: introduce gompi toolkit so that OpenMPI is a direct toolkit dependency, and adjust ATLAS, BLACS, FFTW, LAPACK, ScaLAPACK and goalf toolkit easyconfigs accordingly

fix logging issues by setting default log level for root logger as well
rename some functions in toolkit.py (consistency)
introduce toolkit_name() and toolkit_version() functions and use them

Conflicts:
	easybuild/tools/toolkit.py

Develop

Conflicts:

	easybuild/easyblocks/s/suitesparse.py

change easybuildlog -> easybuild

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

fix the LAPACK sanitycheck

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