[TASK] Add support for MEETING documenttype

Change-Id: I5fc4a7f8c2def97be3ac680e6cbfe4e9e7822de5
[BUGFIX] Validate item profiles with tables correctly

Change-Id: If6cf006d162018d18c34599a18a938f986fe9e8d
[BUGFIX] Plugin Wizard incompatible /w TYPO3 6.1+

The llParser was called statically in 6.0, but this changed in 6.1+.

Change-Id: I032a82129e1e72e43fa339ddccc87503542a1375