Implemented proper player crouching.

Fixes FS #365

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1553 0a769ca7-a7f5-676a-18bf-c427514a06d6
Expat project: fixed intermediate files output folder

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1554 0a769ca7-a7f5-676a-18bf-c427514a06d6