GitLab

Conflicts:
	scripts/Bootstrap/Pmodules/libpmodules.bash
	scripts/Bootstrap/Pmodules/modmanage.in

- exit if a build failed

- bugfixes in setting up family HDF5_serial
- skip call of em.cleanup_build() if nothing was build

lib/libem.bash: do not overwrite versions set with '--with=' with default versions defined in 'config/versions.conf'

scripts/Bootstrap/Pmodules/modmanage.in: in sub-command 'install': options '--dry-run' and '--force' added; do not re-sync existing moules if not forced

scripts/Bootstrap/Pmodules/modmanage.in: in sub-command 'init': option '--version=' added, with this option you specify the version of Pmodules to be sync'ed

scripts/Bootstrap/Pmodules/modulecmd.in: unset CDPATH added; print message in sub-command 'load' if no module specified