Only keep players loaded while they're connected
Only try to load from possible player files
Store the maximum player file tries in a constant
GUITable typo fixes in comments
Handle missing tablecolumns[], fixes bug #1187
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/constants.h
	src/environment.cpp
	src/environment.h
	src/player.cpp
	src/server.cpp
Merge remote-tracking branch 'minetest/master'