Log Message:
Update to 4.8

Changelog:
NEW IN VERSION 4.6
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- Show total page number in page combo and page info box.
- Decode percent encoding in annotation and outline hyperlinks.
- Properly handle non-ascii filenames in export and save dialogs.
- Subtle changes to PgUp/PgDn/Home/End/Space/Backspace view changes.
- Fixed suffix management in export/save/print dialogs.

NEW IN VERSION 4.7
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- Fix for crash on quick PgUp PgDn sequences.
- Fix scrollbars in continuous mode.
- Fix plugin for some webkit based browsers.

NEW IN VERSION 4.8
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- Added option to invert luminance.
- Added shortcut ctrl+g to go to the page combo.
- Fixed export issues under win32.
- Mouse wheel can be configured to control the zoom.
- Animated page movements.