Patched login dialog bugs, added retry dialogs

Try to be friendlier to small screen sizes. Use 800x600 if width/height of 2/3rds is smaller than 800x600 (things don't look smaller than that size), use desktop size if it is for some reason smaller than 800x600

uint32_t -> quint32

Fix linux build broken in ra1577759bf62 (probably)

Fix non-osx build broken in ra874d00df4a4. Dudes... :(

Fix windows build broken in raf97cdbb7713

cmake set variable and typo

GCI2012: Autoupdate Button in Settings

cmake verbosity/documentation/cleanup/formatting

Implement some more callbacks

partially revert r1fba650c2aa4 on misc/physfs/CMakeLists.txt which randomly set true and false variables

Delete poller when game is over

less linking needed, raise minimum_osx_version when videorec is enabled

Merge with default

hides the 'email' prompt on the feedback page (as that doesn't work, so it's a misleading/useless feature), makes the "please add your email" text a little nicer and more noticeable, and makes the "feedback" and "downloadable content" buttons on the main menu a little bit larger, and more clickable.