move update error correction to C++, point to specific version file
fix error checking in updater, point to specific text file
commenting
set compiler to GCC4.8.2 (maybe check flags?)
add single lookup to Lookup Tool, add option to hide non-releases
make key layouts more sensible (worked on pkb, not on vkb)
add keyboard shortcuts
add prompt to notify user of shortcuts, fix translations, re-add "SR" to
beginning of valid sw release
move cover images to subdirectories
add fallback images for top menu
make messages work properly in repo sheets
add new-style autoloader URLs (post 10.3.0)
add missing tr()s/qsTr()s
tweak AutoLookup timer
commenting, translations
update version number, backport from 5.0.1