Add wield light
Allow vertical axis particle rotation constraint

Use tables for adding particles, deprecate former way.

separate particles(pawner) definition, add default values, work with no
arguments
Clone node definition method
Fix paralax occlusion setting
Center the playerlist vertically, use console_{color,alpha} to color playerlist
Fix paralax occlusion setting
Textureable sun and moon. Use tonemaps to tint both.
https://github.com/minetest/minetest/pull/967
Fix wall stuck, and maybe add falling sand bug
missing sun/moon textures
Move script_run_callbacks to Lua
Dungeongen: Create dungeon gen tuneables; add desert temples for Mapgen V6
EmergeManager: Fix Lua mapgen override param handling
Fix leak and possible segfault in minetest.set_mapgen_params
Fix shaders on some GPUs
Merge remote-tracking branch 'minetest/master'

Conflicts:
	src/mapgen_v6.cpp
Update games/default
Cache heat-humidity value (for mapgen)
Mapgen Indev: Fix segfault in cave generation due to uninitialized variable
More threads!
Merge remote-tracking branch 'minetest/master'