Bump characteristic version.

The latest version of service_identity requires a newer version of
characteristic.
Note to follow the latest docs
ticket > issue
Question how one knows if the dependency packages have changed
Noted that an issue is closed
Move note above what it is noting
Example of what a tag is
Instruct to check for old PRs
Talk about the next release
Remove the copyright step. It should be updated annually, separately from the release process.
Fixes #553

above > below
Merge branch 'release-docs-797' of github.com:ClusterHQ/flocker into release-docs-797
Merge remote-tracking branch 'refs/remotes/origin/volume-namespaces-771' into volume-cloning-739
Sketch of design.
Merge branch 'final-geard-purge-608' into better-volume-support-in-dockerclient-234
Sketch of changes to Docker client.
Sketch of new alternative to Volume.expose_to_docker.
Fixed indentation of code blocks - they are not block quotes
Merge remote-tracking branch 'origin/master' into release-docs-797

Conflicts:
	docs/gettinginvolved/infrastructure/release-process.rst
Merge remote-tracking branch 'origin/master' into better-volume-support-in-dockerclient-234