Revert -Wno-error=cpp and -Werror temporarily
workaround incompatible flag in gcc 4.4 for Grok
Merge pull request #1 from breznak/fix_gcc_4_4

workaround incompatible flag in gcc 4.4 for Grok
Merge pull request #713 from subutai/gcc_4_4_fix

Revert -Wno-error=cpp and -Werror temporarily