Freeze API v1.5

Sorry for the delay between updates.
New Things:
- Added PlayerMoveWhileFrozen event
- Renamed all events to remove the "Event" word in them. Now they're
PlayerUnfrozen, PlayerFrozen, and PlayerMoveWhileFrozen. This was to
follow the pattern of Bukkit events.
- Now, PlayerMoveWhileFrozen is called when a player moves while frozen
(obviously).
- I also recompiled the plugin for Bukkit Development Build 1.7.9
(bukkit-1.7.9-R0.1-20140501.232652-9 to be precise :3).
Small Optimization and Fixes

Nothing much, carry on.
Released!