update CP2K easyblock to align it with Intel guidelines
fix fail msg template string
fix typo
get rid of additional optimization flags that may cause problems
only use Intel FFTW wrappers if FFTW itself is not available
correct start_dir as needed by new CP2K versions
complete try-except block
fix path of CP2K regtest
fix typo
fix base dir for regtest
fix other uses of self.builddir
set correct mpi run prefix
fix typo
add debug info on config file for CP2K regtest
Merge branch 'develop' into cp2k
Fixed wrong configure flag in gcc block

enable-cxx is a flag for gmp, not gcc. gcc does not need the C++
bindings of GMP to build. It can cause linking errors with libstdc++.
Merge branch 'cp2k' of github.com:boegel/easybuild-easyblocks into cp2k
Merge pull request #129 from wpoely86/develop

Fixed wrong configure flag in gcc block
extend path for easyblocks.generic as well
add debugging code w.r.t. start dir and regtest config