Shotwell 0.23.2 - 20 Jun 2016

• Use yelp-build to generate HTML docs
• Remove gphoto-2.4 support
• Fix background color drawing (#766864)
• Port GtkNotebook to GtkStack (#744289)
• Fix missing scroll bars in events (#766864)
• Fix URLs in manpage
• Clean up external functions
• Port librest's internal hmac_sha1 implementation to Vala
• Fix multiplication of symbols in plugins
• Request "popup" login in Facebook
• Update help regarding publishing permissions in Facebook (#766919)
• Add source SVG for new app icons
• Update logo for help
• Remove executable flag on images
• Piwigo: Let libsoup parse the cookie
• Remove string utility functions in publishing plugins
• Remove a libgee work-around, bump to 0.10 minimum version
• Make filter toolbar buttons contain text and image
• Move commonly used functions into shared library to prevent multiple definition of symbols