Update version to "2.0.3" (final)

Merge pull request bolt#2479 from gmo/bugfix/db-options-sync

Fix possible bug with db options getting out of sync

Update changelog.md

Preparing the 2.0.3 release.

Bumping version number to 2.0.2

Merge pull request bolt#2339 from bobdenotter/master

Bumping version to 2.0.1 for minor release.

Here we go! 2.0.0 final release!

Bump the version to 2.0.0 RC 4

Update contenttypes.yml.dist

Update Application.php