[TYPO3-project-seminars] Update from 0.5.3 to 0.7.3

[Sergio Eures]

> Could you
> try whether all versions up to 0.7.3 are displayed in the drop-down if
> you update the extension list from TER first (using "import")?

You are right, Oliver, they were displayed only until 0.6.1, now after
Retrieve/Update they arrive to 0.7.3.

Danke nochmals! :-)

Sergio