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.

Updating Version.php and Changelog for 3.0.7.

Updating Version.php and Changelog.md for 3.0.6 release

Merge branch 'release/3.0' of github.com:bolt/bolt into release/3.0

Bumping version to v3.0.4