Merge pull request #102 from boegel/v1.1.x

fix issues with R and Trinity, add ant and JAR easyblocks (Trinity deps)
--no-clean-on-error doesn't work with install.packages R function, only on command line (?)
Merge branch 'v1.1.x' of github.com:hpcugent/easybuild-easyblocks into develop
Merge branch 'v1.1.x' of github.com:hpcugent/easybuild-easyblocks into v1.1.x
Merge branch 'v1.1.x' into develop