Adding support for Chapel v1.6.0

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
extend no_qa for WIEN2k build step
PKG_CONFIG_PATH already handled by default make_module_req_guess implementation; prepending  with /lib/pkgconfig doesn't work
add no_qa for WPS configure script
added geant4 easyblock
use real temporary dir for Instant cache/error dir
fix typo
add missing import for shutil
added geant4 and root with v1.0 compatibility
Merge pull request #20 from boegel/develop

fix bugs causing failed tests in regtest
Merge pull request #21 from hpcugent/master

bug fixes and enhancements in DOLFIN, WIEN2k and WPS easyblocks
bump version to 1.0-rc2
Merge pull request #22 from boegel/develop

bump version to 1.0-rc2
Merge pull request #23 from hpcugent/master

bump version to 1.0-rc2
fix setup.py script w.r.t. release candidates and framework dep, bump version to 1.0
provide str to re.match
Merge pull request #25 from boegel/fix_setup_deps

fix setup.py script w.r.t. release candidates and framework dep, bump version to 1.0
Merge pull request #26 from hpcugent/develop

v1.0 release
fix broken import line in setup.py
Merge branches 'master' and 'master' of github.com:hpcugent/easybuild-easyblocks