add support for configure_cmd_prefix easyconfig parameter in ConfigureMake easyblock
improve debug message, also mention configure_cmd_prefix used
Merge pull request #393 from boegel/configure_cmd_prefix

add support for configure_cmd_prefix easyconfig parameter in ConfigureMake easyblock
disable extra source dirs requirement for GCC versions older than 4.5
fix GCC sanity check for versions prior to v4.2
fix remark
fix merge conflict
Merge branch 'gcc49' of https://github.com/boegel/easybuild-easyblocks into gcc49

* 'gcc49' of https://github.com/boegel/easybuild-easyblocks:
  fix remark
  fix GCC sanity check for versions prior to v4.2
  disable extra source dirs requirement for GCC versions older than 4.5
  improve debug message, also mention configure_cmd_prefix used
  add support for configure_cmd_prefix easyconfig parameter in ConfigureMake easyblock