Patch 7.1.0/API changes

==New==
* New API: , 
* New XML frame attributes: intrinsic, clipChildren
* New frame methods: frame:SetClipsChildren(boolean), frame:DoesClipChildren()
* New CVars:
** NameplatePersonalShowAlways - Determines if the the personal nameplate is always shown.
** NameplatePersonalShowInCombat - Determines if the the personal nameplate is shown when you enter combat.
** NameplatePersonalShowWithTarget - Determines if the personal nameplate is shown when selecting a target.
*** 0 = targeting has no effect, 1 = show on hostile target, 2 = show on any target
** NameplatePersonalHideDelaySeconds - Determines the length of time in seconds that the personal nameplate will be visible after no visibility conditions are met.
** NameplatePersonalHideDelayAlpha - Determines the alpha of the personal nameplate after no visibility conditions are met (during the period of time specified by NameplatePersonalHideDelaySeconds).
==Changes==
* ScrollingMessageFrame is now implemented in Lua.
* 'OnEnter' and 'OnLeave' scripts are no longer triggered unless ':EnableMouse(true)' has been set on the frame in question.
** This has been confirmed as a bug and should be fixed before the patch is released.@TheDanW on #wowuidev
* GetItemInfo has four new returns: 14: bindType, 15: expacID, 16: itemSetID, 17: isCraftingReagent
==Removals==
* TitleRegion
==References==