fix permissions for impi-3.2.2.006.eb

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add ictce/6.2.0 paraphernalia

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
demote ictce-6.2.0 to ictce-6.1.5

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
bumped versions of ictce/6.x
put moduleclass at bottom of impi easyconfigs, fix toolchains in HPL ictce-6.x easyconfigs
put moduleclass at bottom of impi easyconfigs, fix toolchains in HPL ictce-6.x easyconfigs
remove HPL for non-existing ictce/6.1.0
Merge pull request #629 from boegel/contrib_ictce_6.2.0

bump versions of ictce 6.x to allow downgrading, bump impi version in ictce 6.1.5