Various fixes, among which:

- Fixed segfault when attempting to initialseek on disconnected streams
- Fix 100% CPU bug in controller's stats code
- WebRTC UDP bind socket improvements
- Several segfault fixes
- Increased packet reordering buffer size from 30 to 150 packets
- Tweaks to default output/buffer behaviour for incoming pushes
- Added message for load balancer checks
- Fixed HLS content type
- Stats fixes
- Exit reason fixes
- Fixed socket IP address detection
- Fixed non-string arguments for stream settings
- Added caching for getConnectedBinHost()
- Added WebRTC playback rate control
- Added/completed VP8/VP9 support to WebRTC/RTSP
- Added live seek option to WebRTC
- Fixed seek to exactly newest timestamp
- Fixed HLS input

# Conflicts:
#	lib/defines.h
#	src/input/input.cpp

src/input/input_dtsc.cpp

@@ -361,7 +361,6 @@ namespace Mist{
         thisPacket.reInit(srcConn); // read the next packet before continuing
         continue;                   // parse the next packet before returning
       }
-      thisPacket = DTSC::Packet(thisPacket, M.trackIDToIndex(thisPacket.getTrackId(), getpid()));
       return; // we have a packet
     }
   }