Prune screenshots.

10 max, per ronie.
Remove XML Byte Order Marks.
Remove undefined includes.
Fix unmatched parentheses.
Translate remaining hard-coded strings.
Defaults.xml -> defaults.xml.
extprogress -> extendedprogressdialog.
onclick action "-" -> "noop".
Remove Banner 10 star code.txt.
Add media/[music|movie]genres/Docs to .gitignore.