Patch 4.1.0a

Patch 4.1.0a is a minor bug fix patch.

Bug Fixes

 * Fixed an issue that sometimes caused player to disconnect when zoning into another location.
 * The title Blackwing's Bane awarded for defeating Nefarian on Heroic difficulty is now selectable again by characters who have earned it.
 * The targeting reticule should no longer disappear when players cast spells.
 * Resolved some issues that were causing Movement Enforcement Errors.
 * Resolved an issue affecting death knight runes after switching specializations.
 * Party member positions should show up correctly when in dungeons.
 * Animations while mounted should work normally again.
 * NPCs should no longer be floating... unless they're meant to float.
 * Character legs should move properly when the character is moving.
 * Players using a single client to connect to multiple regions should be able to do so again.