Update Backdrop to v1.10.1

[jenlampton]

1. Update the backdrop-ops/docker image https://github.com/backdrop-ops/backdrop-docker

• Update ENV for BACKDROP_VERSION to the new release tag
  • [x] Update 1/apache/Dockerfile with the new version string
  • [x] Update 1/fpm/Dockerfile with the new version string
• Update ENV for BACKDROP_MD5 to the new md5 hash
  • [x] Download the source code for the release in question (not the official packaged release)
  • [x] Run md5 {filename}.tar.gz
  • This will output the new md5 hash
  • [x] Update 1/apache/Dockerfile with the new MD5 hash
  • [x] Update 1/fpm/Dockerfile with the new MD5 hash
• [x] File an issue + PR against https://github.com/backdrop-ops/backdrop-docker
  • Travis tests must pass!
• [x] Merge PR
• [x] Note merge commit hash for official docker-library: 6738b072a83efb0caaa7e9ba5a95acf62d103c36

[jenlampton]

2. Tell the Docker official images to build against the latest source

• A PR needs to be submitted against the official docker-images repo

The lines in the file take the general form:

DOCKER_TAG: git://SOURCE_REPO@COMMIT_HASH RELATIVE_PATH_TO_DOCKERFILE

Example

1.3.4: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
1.3: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
1: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
1.3.4-apache: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
1.3-apache: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
1-apache: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
apache: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache
latest: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/apache

1.3.4-fpm: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/fpm
1.3-fpm: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/fpm
1-fpm: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/fpm
fpm: git://github.com/backdrop-ops/backdrop-docker@ce9edf32f4263d00181cc58a5fb23437316675b3 1/fpm

• [x] Update the commit hashes with the merge commit hash from 1
  • Each entry will end up corresponding to the "Supported tags and respective Dockerfile links" posted over on DOCKER HUB

[jenlampton]

And https://github.com/docker-library/official-images/pull/4408