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 pull request #129 from wpoely86/develop

Fixed wrong configure flag in gcc block
extend path for easyblocks.generic as well
Merge pull request #130 from boegel/generic_init

extend path for easyblocks.generic as well
make sure PATH and MANPATH are set correctly for TotalView
Merge pull request #132 from boegel/totalview_module_fix

make sure PATH and MANPATH are set correctly for TotalView
bump version to v1.2.0
extend path for easyblocks.generic as well
minor update in release notes
Merge pull request #133 from boegel/v1.2.x

merge in commit from develop to fix easyblocks.generic namespacing, bump version to v1.2.0
bump version to 1.3.0dev
Merge branch 'v1.2.x' into develop

Conflicts:
	easybuild/easyblocks/__init__.py
Merge branch 'develop' into cp2k