updated to 0.8.63

New Features
E-book viewer: Allow quick saving and loading of viewer settings as 'themes'.
Ebook-viewer: Add a restore defaults button to the viewer preferences dialog
E-book viewer: Add simple settings for text and background colors
Add an entry to save to disk when right clicking a format in the book details panel
ODT metadata: Read first image as the metadata cover from ODT files. Also allow ODT authors to set custom properties for extended metadata.
E-book viewer and PDF Output: Resize images that are longer than the page to fit onto a single page
Bug Fixes
KF8 Output: Fix bug where some calibre generated KF8 files would cause the Amazon KF8 viewer on the Touch to go to into an infinite loop when using the next page function
News download: Add support for tags that link to SVG images.
Update podofo to 0.9.1 in all binary builds, to fix corruption of some PDFs when updating metadata.
Catalog generation: Handle authors whose last name is a number.
KF8 Input: Handle html entities in the NCX toc entries correctly
Fix a calibre crash that affected some windows installs
MOBI Output: Normalize unicode strings before writing to file, to workaround lack of support for non-normal unicode in Amazon's MOBI renderer.
EPUB Input: Handle files that have duplicate entries in the spine
Fix regression in Kobo driver that caused the on device column to not be updated after deleting books