Fixed some block checks

* Fixes #1330
Cleaned up simulators
Improved redstone simulator

* Fixed style inconsistencies
* Used more C++11 features
* Improved speed perhaps
Fixed compilation?
Added cocoa pod.
Merge branch 'master' into redstone
Removed test
Merge branch 'master' into Cocoa
Fixes
"& 0x0f" isn't needed
Merge branch 'master' into Cocoa
Fixed fence/-gates and door recipes and added baked potato recipe
Merge pull request #1670 from Masy98/crafting

Fixed fence/-gates and door recipes and added baked potato recipe
Merge pull request #1635 from mc-server/Cocoa

Added cocoa pod.
Fixed mob invisibility
Updated cPlayer::DoMoveToWorld to send target world's weather info to Player
Added braces to 'if' according to the code guidelines
Merge pull request #1673 from gushromp/master

Updated cPlayer::DoMoveToWorld to send target world's weather info to Player
Updated Core.
Fixed water from spreading on bottom of world