Update UU bans

Crawdaunt -> BL
Venomoth -> BL
Salamence -> UU
Update /smogintro
Change welcome message in /smogintro

Smogon's official Pokémon Showdown server -> Smogon's official simulator
Fix Crafty Shield not protecting allies
Merge pull request #943 from Slayer95/master

Fix Crafty Shield not protecting allies
Names can't start with {
Make return values prettier for mafia
Merge pull request #944 from MJB47/mafia

Make return values prettier for mafia
fix crash in mafia
Merge pull request #945 from MJB47/mafia

fix crash in mafia
Ban non-alnum characters at start of names
Fix Aroma Veil
Update /groups
Add new event Pokemon
Second half of doubles suspect test
Fix Nuzzle

Nuzzle makes contact
Merge pull request #948 from sirDonovan/patch-6

Fix Nuzzle
Update formats-data.js
Merge pull request #1 from jas61292/patch-1

Update formats-data.js
Adding CAP18