Merge pull request #13 from oxford-physics/master

Multiple changes
be librarian friendly
also change the stdlib dep
remove duplicate parameter in class
alllow for completely disabling repos
remove dupe param
move repo dep for package
also move thetrustanchors repo dep
replace notify arrows with before arrows
Merge pull request #15 from fschaer/fix

Fix issues and allow for no repository management
Reverting to '/bin/sh' as @posix_shell@ does not seem to work.
fixing duplicate parameters
a bit of documentation
Merge pull request #14 from kreczko/fixes_for_GLUE_and_scheduling

A bit of documentation and a few fixes
Merge remote branch 'upstream/master'