Sumatra PDF version 0.8.1

[b]Features:[/b]
What's New:
* automatic reloading of changed PDFs (contributed by William Blum)
* tex integration (contributed by William Blum)
* updated icon for case-sensitivity selection in find (contributed by Sonke Tesch)
* language change is now a separate dialog instead of a menu
* remember more settings (like default view)
* automatic checks for new versions
* add command-line option -lang $lang
* add command-line option -print-dialog (contributed by Peter Astrand)
* ESC or single mouse click hides selection
* fix showing boxes in table of contents tree
* translation updates (contributed by many people)