Fixed cItem::IsStackableWith()

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1547 0a769ca7-a7f5-676a-18bf-c427514a06d6
Shears mask the leaves' meta

Fixes FS #367

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1548 0a769ca7-a7f5-676a-18bf-c427514a06d6