Merge pull request #369 from hpcugent/v1.11.x

release EasyBuild v1.11.1
fixed impi easyblock to correctly setup CPATH
Revert "fixed impi easyblock to correctly setup CPATH"

This reverts commit ea33033c6dad26f5dec9dfdf20c5926cdd779d43.
fixed impi easyblock to correctly setup CPATH
Merge pull request #371 from pescobar/ipmi-cpath-fix

Ipmi CPATH fix