Fix Quick and Wide Guard
They were blocking ally moves. Furthermore, Quick Guard was also blocking foes´ moves not targetting the guarded side.
Credits: Add Slayer95
Merge pull request #571 from Slayer95/master

Fix Quick and Wide Guard
Update UU banlist
Drought and Heracronite have been banned.
Thundurus-T and Deoxys-S are now BL.
Update UU bans
Fix Metronome on all past gens
Add HP Percentage Mod to Hackmons and BH

As Smogon OMs, both Hackmons and Balanced Hackmons 
require the use of HP Percentage Mod.
Gen 2: Mirror Move is valid on Metronome

Apparently Mirror Move can be called by Metronome on gen 2.
Source:
https://github.com/kanzure/pokecrystal/blob/master/battle/effects/metronome.asm#L46-61
Pokémon cannot mega evolve while recharging
Ghost-type Pokemon can be trapped in Gen 5
Trapped status is passable in Gen 4
Revert Wide Guard changes

Revert the changes done to Wide Guard in commit 
b536d8615e938d7027864c46027af232c20550c2
Fix Quick Guard not blocking friendly fire
(Bug introduced in b536d86 ). Overall, now Quick Guard does not block moves targetting the move user.
Merge pull request #572 from Slayer95/master

Fix Quick Guard not blocking friendly fire
Ban Leppa + Recycle

Endless Battle Clause
Update Endless Battle Clause
Fix crash in 42b9ad
Update comment on rulesets location
Merge pull request #574 from Slayer95/master

Update comment on rulesets location
Major dexsearch update