Update to 15.14 .
- Rebase norar_cmake.patch
- Minor improvement in snippet of documentation.
- Drop patch1, from changelog build on s390 is fixed.
- Drop p7zip-15.09-CVE-2015-1038.patch, from changelog if fixed.
- Drop upstreamed p7zip_15.09-incorrect-fsf-address.patch .
- Drop p7zip_15.09-no7zG_and_7zFM.patch, p7zip build is fixed.
- Add sub-package p7zip-gui with 7zG.