made a clean version of: Added clipboard magic to lua api
Changed get_* and set_* to a single function
Merge branch 'cleanse_lua' of https://github.com/boxmein/The-Powder-Toy

Conflicts:
	src/lua/LegacyLuaAPI.cpp
	src/lua/LuaScriptInterface.cpp
Merge branch 'master' into develop

Conflicts:
	src/lua/LegacyLuaAPI.cpp