Update intro command

Update the introduction command to add a link to PS forums important thrad "A Beginner's Guide to Pokémon Showdown".
Add Global Showdown format

Add Global Showdown format, first Nintendo's take at an official singles Ubers tournament (http://www.smogon.com/forums/threads/2013-global-showdown-nintendos-official-3-vs-3-ubers-tournament.3486033/).
Hide UU format temporarily

The UU suspect needs more playerbase, so hide the UU format temporarily.
Update !om links
Add dexsearch code

Added dexsearch main code, as well as help.
Fix minor crash when "/dexsearch all" is used
Correct Psywave damage
Merge pull request #275 from V4Victini/patch-4

Correct Psywave damage
Fix Metronome calling V-create.
Fix Mold Breaker and friends.

- With the recent changes to the damage formula, ModifyDamage must also
be negated by Mold Breaker.
Merge pull request #274 from TalkTakesTime/master

Add /dexsearch command
Properly seed RNG
Merge pull request #276 from V4Victini/patch-5

Properly seed RNG
New command: /ipsearch
Resource Monitor
NEXT is no longer Gen-NEXT
Don't allow /endlockdown outside of lockdown
Focus Sash is now banned in 1v1
Don't start timer on ended battles on lockdown

Lockdown is starting the timer on all battles without timer. This is not necessary in finished battles.
Consolidate battle initialization
Preparing for a battle is now done in User.prototype.prepBattle