charliecloud-0.11-7.1

- Update to version 0.11:
  - ch-run: /etc/resolv.conf on the host is now optional
  - ch-grow: support ARG instruction
  - build now does not infinite loop if no Python installed
  - miscellaneous bug fixes, and documentation and test suite
    improvements

- Update to version 0.10:
  - New builder ch-grow
  - ch-build includes option --builder
  - ch-docker2tar renamed to ch-builder2tar
  - new quashFS wrapper scripts: ch-docker2squash, ch-docker2squash,
    ch-tar2squash, ch-mount and ch-umount
  - new namespace tester ch-checkns
  - Full changelog at https://groups.io/g/charliecloud/message/96
- examples/syscalls is not built anymore, drop make clean.
- Fix shebangs of new scripts to avoid dependency on /usr/bin/env

- Update Source0 to use the tarball created by upstream and not the
  automatic one created by GitHub.

- Update to version 0.9.10:
  - Documentation and examples: misc improvements.
  - Full changelog at https://groups.io/g/charliecloud/message/88
- Update Source0 to allow source verification
- Install prebuilt manpages in Backports:SLE-12. We don't build the
  documentation in this release because the build requirements don't
  exist.

- Update to version 0.9.9:
  - Bugfixes and documentation improvements.
  - Full changelog at https://groups.io/g/charliecloud/message/87
- Re-add make clean clean that was actually needed.