FIX: [mediacodec] ART is not happy with non-existent values in map
AlarmClock: xbmc.powerdown does not exist anymore
ActiveAE: fix idling of engine due to high number of samples in sink buffers
ActiveAE: add missing lock to GetWaterLevel
dxva-hd: fix past/future frames and a/v sync
renderer: fix queue size for DXVA-HD
Merge pull request #4593 from FernetMenta/dxva

dxva-hd: fix past/future frames and a/v sync
[plugins] ensure we lookup the add-on as a plugin before trying any extension point when fetching a plugin:// directory
Merge pull request #4589 from FernetMenta/aefixes

ActiveAE: fix idling of engine due to high number of samples in sink buf...
Merge pull request #4587 from fritsch/xbmc-upstream

AlarmClock: Show correct string for shutdown timer
Merge pull request #4576 from koying/fixamcart

FIX: [mediacodec] ART is not happy with non-existent values in map
Merge pull request #4598 from jmarshallnz/plugins_run_as_plugins

[plugins] ensure we lookup the add-on as a plugin before trying any other extension point
fixed: use the proper make instead of calling 'make' directly

fixes builds on freebsd
cmake buildsystem
sq
add tests needed by new u16 string stuff
wrap cmyth properly
move some more install related stuff to install script
move all install code to platform install script
allow building without doxygen