make unit tests also work when no easybuild-easyblocks package is installed
add zip_safe flag to setup, to silence multitude of warnings
search was broken when no decent robot path was given
extend module classes for helping with some default module categories

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
Merge pull request #517 from boegel/moar_options_unit_testing

make unit tests also work when no easybuild-easyblocks package is installed
Merge pull request #521 from boegel/setup_zip_safe

add zip_safe flag to setup, to silence multitude of warnings
Merge pull request #524 from JensTimmerman/search_

also make search do something usefull when easybuild-easyconfigs are not installed
Merge pull request #525 from fgeorgatos/contrib_new_module_classes

extend module classes for helping with some default module categories