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

lib/config.h

@@ -13,6 +13,8 @@
 
 /// Contains utility code, not directly related to streaming media
 namespace Util{
+  extern char exitReason[256];
+  void logExitReason(const char * format, ...);
 
   /// Deals with parsing configuration from commandline options.
   class Config{
@@ -27,10 +29,6 @@ namespace Util{
     static bool is_restarting; ///< Set to true when restarting, set to false on boot.
     static uint32_t printDebugLevel;
     static std::string streamName; ///< Used by debug messages to identify the stream name
-    static std::string exitReason;
-    static void logExitReason(const std::string &reason){
-      if (!exitReason.size()){exitReason = reason;}
-    }
     // functions
     Config();
     Config(std::string cmd);