added missing translation strings for sceUtility dialogs
updated German translation
code cleanup, warnings removal

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3313 4ab978e6-3352-0410-996c-0b42db0051c8
build-auto.xml: version number adjusted to 0.7
added empty SAVEDATA folder for easier migration from old version
added cheats.db and iso-index.txt to svn:ignore

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3314 4ab978e6-3352-0410-996c-0b42db0051c8