[RELEASE] Release of crawler 6.6.5

[BUGFIX] Remove obsolete HTML and adjust tables
[BUGFIX] Adjust table styling to match both TYPO3 7 & 8
[BUGFIX] Resolve typo3cms non-composer path for typo3_console  v5 (469)
[DOC] Update issue template for security issues (468)
[BUGFIX] Resolving typo3cms path if composer not used (446) (449)
[BUGFIX] Change the SignalSlots to call by reference