Merge branch 'v1.15.x' into develop

Conflicts:
	setup.py
add easyconfig for EasyBuild v1.15.1
Merge pull request #1102 from boegel/eb_v1.15.1

add easyconfig for EasyBuild v1.15.1
add easyconfig for CP2K v2.5.1
add missing easyconfigs for CP2K v2.5.1 deps
style fix
moar style fix
Merge pull request #1104 from boegel/cp2k-2.5.1

add easyconfig for CP2K v2.5.1
add easyconfig for FLUENT v15.0.7
Merge pull request #1108 from boegel/fluent1507

add easyconfig for FLUENT v15.0.7
Boost: find zlib on Debian based systems
Merge pull request #1109 from wpoely86/boost-fix

Boost: find zlib on Debian based systems
Merge branch 'develop' of github.com:hpcugent/easybuild-easyconfigs into develop
added fastStructure, Structure and InStruct