Merge branch 'develop' of github.com:hpcugent/easybuild-framework into develop
update release notes, bump version to v1.5.0
fix typo
Merge pull request #650 from boegel/v1.5.x

update release notes, bump version to v1.5.0
bump version to v1.6.0dev
Merge branch 'develop' of github.com:fgeorgatos/easybuild-framework into develop
erge branch 'develop' of github.com:hpcugent/easybuild-framework into develop