Merge pull request #3 from weed0r23/features/citeq

[FEATURE] Add HTML message rendering for stage change notifications
[TASK] Raise version to 0.6.1-dev
[TASK] Hook to post-process version count result

Requires https://forge.typo3.org/issues/61725 of TYPO3 CMS 7
[TASK] Enable version count post-processing by configuration only