Added checks whether flowers/mushrooms/saplings can be placed on surface
Added checks for cactus to see if it's allowed to be placed
Fluids now wash away certain items (flower, sapling, cactus)
git-svn-id: http://mc-server.googlecode.com/svn/trunk@169 0a769ca7-a7f5-676a-18bf-c427514a06d6
-> Manager handles all ticks -> advantage: Much easier to add new simulators, because you only have to register them in the manager
- moved sand and gravel simulation to a Simulator-class (cSandSimulator)
- Made Squid a little bit more funny and realistic, because it dies now when it´s not in water
-Escaping mobs run now faster than normal (They just walked away before :D)
git-svn-id: http://mc-server.googlecode.com/svn/trunk@125 0a769ca7-a7f5-676a-18bf-c427514a06d6
