Version 3.7.3 * Use GnomeIdleMonitor for idle detection * Enable llvmpipe * Fix some error spew * make --version not return a failure code * reduce depedency on GTK+ * shutdown and logout fixes * Add automatic logout on idle feature * docs fixes * misc fixes * Updated translations (Assamese, Estonian, Galician, Hebrew, Kannada, Odia, Polish, Slovenian, Spanish)