Report uname in http requests
Automatic emerge threads number
Fix windows build
Use sleep_ms instead of select in httpfetch when max_fd == -1, fixes WSAEINVAL
Merge remote-tracking branch 'minetest/master'
Make SHA1::addBytes(..., 0) a no-op instead of an assertion failure
Remove FPS from window title
This doubles performance on some window managers (WTF?!)
Less client verbose log
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/game.cpp
Faster metling-freezing
Liquids profiler (num)
More params in math mapgen
update mandelbulber
Revert "Use bitsets for ABM required_neighbors."

This reverts commit b1a64f466226dd8c2086fd2b0358661543ec9080.
Revert "Revert "Use bitsets for ABM required_neighbors.""

This reverts commit 9e71c97904f7a1457f6b02fd84e70ed77eea43a2.
Use our very own bitset implementation in ABMs.
Don't use std::map in ABMHandler.
init abmhandler once per cycle
Math mapgen tune defaults
Math mapgen tune