Allow LuaIntro loading from zip
LuaIntro work
Load minimap more early so it can be used in LuaIntro
new handler.lua + base LuaIntro enviroment with a few examples
new handler.lua is just used for LuaIntro, technically it's ready for LuaUI too
but it would break a few widgets (that did dirty things on the old handler), so I want to give games a bit more time to fix those
fix spring_sleep not always working (seems to be a boost::chrono bug)
add new Game. constants: Game.gameName, Game.gameVersion, ...
Lua: allow to save strings in RulesParams
changelog++
make Spring.Set...RulesParam bw compatible as intended (first treat input as number then as string)
update pr-downloader: fix libgomp not found on osx
replace two asserts with log message:
allows game devs to fix it / triggered by current evo:test
try to fix #3816
Revert "try to fix #3816"

This reverts commit f150e9439c012e1b564af70af132bf32e5c116b1.
try to fix #3816 no. 2
always upload output of validation run
compress files in writeable dir only once
disable SIGNAL_NANS for syncdebug builds
fix filename for buildbot/master/cleanup.sh
validation test: disable bandwith / slightly increase allowed cpu time
LuaIntro: split default loadbar & music addon