mac-syphon: Add "Allow Transparency" property

Transparency is now disabled by default, so that alpha values from
injected back buffers don't propagate to OBS (e.g. Minecraft doesn't
render properly in OBS unless "Allow Transparency" is disabled)
Remove ingest server live-ord.twitch.tv from services.json

Server doesn't exist anymore
https://api.twitch.tv/kraken/ingests
http://blog.twitch.tv/2014/09/service-update-chicago-point-of-presence-closure/
Merge pull request #289 from Gol-D-Ace/remove-twitch-ingest-server

Remove ingest server live-ord.twitch.tv from services.json
Fix typo in signal handler creation check
Add missing copy/move operations for OBSSignal
Add missing copy/move operations for OBSObj
Register OBSSource as Qt metatype
Fix Qt unregistered datatype messages
Fix OBSRef move assignment not releasing the previous reference
Add global hotkey support
Disable primary function from thread when application is in foreground
Add shift+r global hotkey to start/stop recording
Move event filter
Make cl.exe happy
Add obs_hotkey_get_owner_name
Move source settings release call
Improve handling of config values with linebreaks
Fix missing return on error and NULL pointer on alloc
Remove caps modifier
Fix find_id not finding anything