Update aliases

Adding BP for Baton Pass, Obama for Abomasnow (including its Mega), Sitrus for Sitrus berry and Leppa for Leppa Berry
Update aliases.js
Add December's OMotM: Stat Switch
Merge pull request #1337 from Ridaz/patch-8

Update aliases
OM of the Month belongs to 2nd column
Update Stat Switch banlist
December 2014 Tier Changes

http://www.smogon.com/forums/threads/smogon-usage-based-tier-update-december-2014.3523339/
Mega Alakazam is not BL

http://www.smogon.com/forums/threads/np-xy-uu-stage-3-calling-diggersby-bl-next-scolipede.3516640/page-19#post-5801898
http://www.smogon.com/forums/threads/xy-uu-tiering-system-voting-records.3520708/#post-5323505
Merge pull request #1340 from asgdf/patch-8

Mega Alakazam is not BL
Update tiers for megas
Tournaments: Fix crash in autodisqualify
Update zalgo filter
Increase room rules length limit to 100
Clarify invalid name message
Strict roomdesc rules
Update Config.chatfilter API
Prevent Delta Stream from affecting Stealth Rock.
fix use of wrong member name in /userauth
Gen IV: Fix rampage moves against Detect/Protect.
Gen IV: Wish comes before weather damage.