Break out actions in initializeExtension() into individual try/catch
blocks with logging attached to each
Tweaking CSS, fixes #1806.

No compiled CSS included.
Compiled CSS.
Tweaking CSS. Mainly placeholders for various inputs.
Replacing CSS for the extensions log.
Correct typehinting for PackageEvent
Compiled CSS
Merge pull request #1807 from GawainLynch/hotfix/initializeExtension

Break out actions in initializeExtension() into individual try/catch