Bump version to "beta 1" 🎉

Merge pull request bolt#4996 from mtsk/patch-1

Add a missing comma to _checkbox.twig

Bumping version to 2.2.19-pl1, for friday afternoon fixes.

Bumping version to 2.2.18

Updating Changelog for 2.2.17

Merge branch 'release/2.2' of github.com:bolt/bolt into release/2.2

Bumping version to 2.2.15, the last release of 2015.

Bumping version to Bolt 2.2.14

Rendered JS + CSS

Bumping version to 2.2.11 for release.