Merge pull request bolt#5702 from bolt/updating-changelog-and-version

Updating changelog and version

Merge branch 'release/3.0' into release/3.1

Function names can't be used in import prior to PHP 5.6

Bumping version to 3.1.0 beta 1.

Tweaking changelog: added composer 1.2.0

Tweaking changelog: added composer 1.2.0

Updating changelog.md and version.php for 3.0.10 release.

Updating changelog.md

typo

Bumping version to 2.2.22 for release. Includes changelog.