Fix access to invalid data on reception of packet with size 0
Log unhandled exceptions in connectionthreads to errorstream
Merge noiseindev params into noise
clean indev mapgen
Fix typo in default configuration file
Fix another typo in example configuration
remake m_clients locking
Merge remote-tracking branch 'minetest/master'
Merge remote-tracking branch 'upstream/master' into next

Conflicts:
	src/server.cpp
Merge remote-tracking branch 'freeminer/next' into freeminer_next