Add FindGLEW to CMake modules along with some compiler flags
Rename xor to xor_ to allow build to continue in compliant compilers
Merge pull request #144 from acmiyaguchi/gcm

Reorganize cellGcmSys module
Merge pull request #146 from darkf/stuff

Add FindGLEW to CMake build and fix naming error
Merge pull request #145 from Nekotekina/master

Fixed conflicts.