some tweaks to the build process, cmake now generates some vital files, fpc only compiles those files which have been changed since the last time, SDL still does not work

remove the incorrect text that people need to download before playing

Android: quick fix from a bug report from the market in the download manager

merge

little hack for playing less sounds in frontend

simplify qpushbuttonwithsound and add a mouseover sound (I tried selecting the least annoying ones, maybe it'd be better to look for proper button sound effects)