Issue #2295411: Move Git attribution info from user profile to a more contextually relevant place
Merge branch '7.x-3.x' into 2295411-commit-ui

Conflicts:
	drupalorg/drupalorg.install
#2295411 Move to bottom of form.
#2295411 Use existing convention for commit message.
#2295411 Format files and comments as separate bars.
#2295411 Show credit & committing to all users, collapsed for non-maintainers.
#2295411 Remove Git attribution from user profile pages.
#2295411 Remove message max length.
Issue #2295411: Special casing for core to not use --author.
Issue #2295411: Merge branch '2295411-commit-ui' into 7.x-3.x

Conflicts:
	drupalorg/drupalorg.install
Issue #2295411: remove "by" label when no one is selected.
Issue #2295411: Do not rely on IDs, which change when another project is selected.