Replaced Ausgabe Innenstadt with FMI Garching

Removed Ausgabe Innenstadt as the menu is not available anymore online.
Instead the possibility to query the Mathe-Info Loske in Garching (FMI) was added.
Merge pull request #13 from ogasser/FMI_instead_of_AUS

Replaced Ausgabe Innenstadt with FMI Garching