Apply crop trampling setting to all entities.
Apply exp flag and config setting to xp bottles.

"Workaround" for not being able to blacklist exp bottles at the moment.
Although I supposed I could have just fixed that instead, this allows more flexibility.
Added unit test for entry and exit flags to put the matter to rest.
Also cleaned up a few other things regarding tests.
Fix stack issue.
Fixed a bunch of small bugs
Updated to MC 1.5
Handle TNT Minecarts with tnt flag/settings.
Add flag check to smelting/mining xp handling
Update changelog to 5.7.2
[maven-release-plugin] prepare release 5.7.2
[maven-release-plugin] prepare for next development iteration
Fix for minecart naming
Updated changelog for 5.7.3.
Cleaned up pom.xml.
[maven-release-plugin] prepare release 5.7.3
[maven-release-plugin] prepare for next development iteration
Fix infinite durability.
For whatever reason, the Bukkit API thinks that 'Durability" and "Damage"
are synonymous.
Allow cow milking in no-build areas
Fix one last witherskull/fireball conflict