Fix StartShips[en], correct typos in Minor.datas

* StartShips.data[en]: adapt spelling of "Home Defense" to
	577abf1be666372a308c2458918ebd7001ea60f4 &
	9a7816996c9a81f6756c59b8b8e32ad9ed157f23
* Correct typos in MinorRace.data
* Change sentence in MinorDiploOffers.data