add easyconfig for grace + deps with intel/2014b
remove 'tweaked by' comments
fix style remarks
use GNU_SOURCE for Bison source_urls
add SPRNG for ictce-5.3 toolchains and amend HPCBIOS_Math

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add missing GMP for ictce-5.3.0

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
Merge pull request #1131 from boegel/grace_intel2014b

add easyconfig for grace + deps with intel/2014b
fix import in easyconfigs unit tests
Merge pull request #1146 from boegel/fix_unit_tests_import

fix import in easyconfigs unit tests
Merge pull request #1141 from fgeorgatos/contrib_HPCBIOS_Math_update_and_some_SPRNG2

add SPRNG for ictce-5.3 toolchains and amend HPCBIOS_Math