Re-adds commons-lang, as code using it does not work with Bukkit's, which references a far outdated 2.3 version.
Initiate replacement networking classes from the start, as otherwise they are never assigned and lead to an NPE.
Fix NPE when setting a player's speed.
Merge pull request #75 from BitLimit/player-fixes

Player Fixes
Fix issue when registering NMS entity classes.

Also made caching fields easier in ReflectionUtil.
Fixed incorrect method name when updated to 1.7.2 .
Add ability to tell dragons where to fly.
Remove unnecessary isRemoteEntity() check.
Merge pull request #78 from BitLimit/loader-npe-fix

Remove unnecessary isRemoteEntity() check.