New UU banlist

http://www.smogon.com/forums/threads/xy-uu-beta-discussion-read-post-32.3497124/page-18#post-5206210
Additional ban as part of Endless Battle Clause

banned Shadow Tag + Leppa Berry + Trick
Merge pull request #606 from Hugendugen/patch-1

Additional ban as part of Endless Battle Clause
Remove superfluous validateSet in Endless Battle Clause
Simplify code for combo bans
Don't ladder search if we can't retrieve MMR
Merge pull request #1 from Zarel/master

test