add QE-ictce-5.3.0 easyconfigs

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
style fixes in QuantumESPRESSO ictce easyconfigs, added ictce/5.5.0 easyconfigs
enable openmp toolchain option for hybrid QuantumESPRESSO builds
Merge branch 'develop' of https://github.com/hpcugent/easybuild-easyconfigs into contrib_QE_ictce-5.3.0
remove extra line

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
Merge remote-tracking branch 'github_fgeorgatos/contrib_QE_ictce-5.3.0' into QuantumESPRESSO_ictce
Merge pull request #573 from boegel/QuantumESPRESSO_ictce

add easyconfigs for QuantumESPRESSO with ictce/5.3.0 and ictce/5.5.0 (+ styles fixes)