Merge branch 'develop' of github.com:hpcugent/easybuild-framework into develop
introduce special license class to deal with possible license parameter
naming conflict
add read_environment function again, but no oldstyle support and as part
of tools.utilities
fix remark, no return needed
fix typo
Merge pull request #569 from stdweird/legacy_license_parameter

deal with legacy usage of license parameter
Merge pull request #571 from stdweird/config_reintroduce_read_enviornment

add read_environment function again, but no oldstyle support and as part
Merge pull request #572 from stdweird/variables_change

Variables change
fix bug introduced in reshuffling in #568
Merge branch 'develop' of github.com:hpcugent/easybuild-framework into develop
Merge pull request #574 from boegel/develop

fix bug introduced by reshuffling in #568
add try_remove with unittest