[Fix] Cleanup emu environment items on exit.
Remove unused define in emu_msvcrt.
Free allocated CTimeSmoother at exit.
[AE] Free AVIOContext and its buffer.
[videoinfoscanner] no need to compute slow hash on changes in case the fast one already succeeded
[omxplayer] remove duplicate log messages
[dvd/omxplayer] actually use IsCaching()
[md5] have getDigest() return a std::string to simplify the caller code
update .gitignore
Merge pull request #4965 from mkortstiege/use-fasthash

[videoinfoscanner] re-use fasthash if possible
[win32] cmake: make sure to run Release builds
update .gitignore
list enabled repositories in enabled add-ons
Merge pull request #3957 from Jalle19/minor-cleanups

Remove some unused code, reuse existing methods, and remove duplicate logging
Merge pull request #4937 from MartijnKaijser/enabled_repos

list enabled repositories in enabled add-ons
changed: Remove display of XBOX dvd icon unused code

This would display a XBOX dvd icon if DefaultXboxDVD.png still existed
which doesnt anymore,
change: remove unused xbox overlay support

This is legacy from the xbox days. highly unlikely to ever be used again

ICON_OVERLAY_TRAINED
ICON_OVERLAY_HAS_TRAINER

and removes references to respective unused textures

OverlayTrained.png
OverlayHasTrainer.png
[videodb] change the DateAdded sort for tvshows to use MAX(DateAdded) for episodes of that show.
[tvshows] add DateAdded sort order for tvshow view listings
[addons] fix crash when launching an add-on installed locally (i.e. not from a repo) from the addon info dialog