Merge pull request #50 from jayunit100/master

snapshot name static so that it works with CI release
* Updated GlusterFileSystem and GlusterFs classes NOT to use CRC.
* added CRC enabled file systems (GlusterFsCRC and GlusterFileSystemCRC)
Merge pull request #51 from childsb/master

Remove CRC from main glusterfs classes.  added extra classes for CRC.
Patch to add logging of version back in