Replace OS::MemCopy with OS::MemMove (just as fast but more flexible).

Review URL: https://codereview.chromium.org/13932006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove bogus CPU scope.

R=mvstanton@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/14295004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14281 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make gyp work with Cygwin

Review URL: https://codereview.chromium.org/13760003

Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14282 ce2b1a6d-e550-0410-aec6-3dcde31c8c00