Makes sure that the steps in a path sent for a "Player Walk" message are
on the same level as the players current position while being processed
in the walking queue.
Add rules for enforcing tabs in Java, and spaces in Ruby.
Add a rule to make sure trailing whitespace is trimmed
and that no new final newline is inserted.
Add various tests around ItemOnObject messages to verify that a valid
object needs to be given as well as a valid item in order for the
message to be passed down the MessageHandlerChain.
Add a test which verifies an ObjectActionMessage is terminated if its
not within the specified distance of the player.
Additionally add a test which verifies that an ObjectActionMessage is
terminated if there is no object with the given id nearby.
Gary Tierney