Make Linaro GCC 4.8-2013.07 release.

git-svn-id: svn://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_8-branch@200849 138bc75d-0d04-0410-961f-82ee72b054a4
Bump version number, post release.

git-svn-id: svn://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_8-branch@200851 138bc75d-0d04-0410-961f-82ee72b054a4