NextGen - PVP and Events Manager

/**BETA**/
Version 1.1
+Fixed spectator bug where spectator would not teleport out of arena
+Fixed spectator command bugs
+Fixed spectator log out bugs
+Fixed nullpointerexception in DuelHandler
+Fixed teleportation blocking bugs

Version 1.0
+Now in Beta!
+Fixed minor rewards bug
+Seperated event configurations into different files, that way, events configurations can be changed seperately without affecting original plugin.
+Added McMMO support for events
+Added spectator system!

/***ALPHA***/
Version 1.9
+Fixed some bugs
+Started Free for all

Version 1.8
+Added free for all battles, not usable yet, but the config options are there
+Fixed bug where player would get an internal error from requesting a duel from an already dueling player
+Added ability to see if update is available.
+Rewrote how the listeners behave
+Added wider compatibility with other plugins
+Added Towny support

Version 1.7
+Fixed bug where no stakes duels couldn't be created with bet duels.
+Added some more options in config related to dueling.

Version 1.6
+Completed dueling!

Version 1.5
+Fixed dueling bug

Version 1.4
+Added Duels.
+Added more dueling commands.
+Added configuration for chat colors
+Updated /nextgen stats
-Removed SafeZone blocking, too buggy and incompatible with Factions

Version 1.3
+Changed name

Version 1.2:
+Added looting

Version 1.1:
+Added Faction Tag Colors
+Added Change log
+Updated instructions.txt +_config.yml
+Fixed bug where player would still be counted as attacked outside of a safe zone while an ally
Next update: Will implement dueling between players

Version 1.0:
+First true release
+Added Combat Listeners
+Added Cheat Protection

Version < 1.0:
+Stuff that I can't be bothered to put because they are core features