[TASK] Announce compatibility with TYPO3 7 LTS

Change-Id: If406d2c7cb917c9ca82e5946eb6cc36f2c6ee34a
Reviewed-on: http://review.typo3.org/33945
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>
[!!!][TASK] Remove support for TYPO3 6.0 and 6.1

Change-Id: I69fed507b230570a9922c62cb59e45e690215f8e
Reviewed-on: http://review.typo3.org/33953
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>