GitLab

- bugfix: accept tilde and slash as first character of an argument

- bugfix in subcommand_search: argument --src was not handled correctly

- header of delete_module() fixed
- in function subcommand_sync():
    - use value of PMODULES_INSTALL_SOURCE for src_prefix if not
      specified on command line

- Exit with correct return value in non library mode

Conflicts:
	scripts/Bootstrap/Pmodules/libpmodules.bash

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

- bugfixes
- minor changes

- bugfix in handling sub-command without arguments

- cache 'FAMILES' and 'HIERARCHY_DEPTHS'
- usage output reviewed
- append_path (), prepend_path(), remove_path() moved to libpmodules
- is_modulefile() added (testing shebang)
- argument/option handling reviewed, using 'getopt' now for all sub-commands
- in sub-command 'load': testing whether a module is loadable improved
- use 'info' for most output
- bugfixes

- set 'bindir' if not set
- '\n' removed from info() and error()
- die() always prints to stderr
- get_abspath(), append_path(), prepend_path(), remove_path() added

- exit if a build failed

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