Properly implemented enderchests
Removed bad comment
Removed unneeded code
Redstone simulator is alerted to lever unpowering

* Fixed the "fix" that broke the fix for #535, thereby fixing said issue
* Fixed #535
Fixed player teleport food drain
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/Entities/Player.cpp
Suggestion
Merge pull request #1138 from mc-server/enderchest

Properly implemented enderchests
SetFlags.cmake: don't use ${} expansion on if STREQUAL

See http://stackoverflow.com/questions/19982340/cmake-compare-to-empty-string-with-strequal-failed
CMake: Changed slash format to support MSYS.

Ref.: #1044
Changed OnWeatherChanging hook to always read the returned weather.

Ref.: http://forum.mc-server.org/showthread.php?tid=1512
APIDump: Updated OnWeatherChanging docs after latest code changes.