Cleaning up documentation

Signed-off-by: James Ketrenos <james.p.ketrenos@intel.com>
Started restructuring wiki/{documentation,contribute} into documentation,contribute

Signed-off-by: James Ketrenos <james.p.ketrenos@intel.com>
Fixed "use strict" bug in calculateScrollbar ()

Signed-off-by: James Ketrenos <james.p.ketrenos@intel.com>
gfm.php now produces correct files for documentation/ and contribute/

Signed-off-by: James Ketrenos <james.p.ketrenos@intel.com>