5.0.1 Beta Changes

Bars/nUI_ButtonBar.lua
1. References to VehicleMenuBarLeaveButton changed to OverrideActionBarLeaveFrameLeaveButton
2. Registered new vehicleui page to nUI's ActionBar

Bars/nUI_CooldownBar.lua
1. Make sure spell.duration exists before comparing it

Bars/nUI_PowerBars.lua
1. Changed ShardBarFrame to WarlockPowerFrame

Bars/nUI_ShapeshiftBar.lua
1. Change ShapeshiftButtonTemplate to StanceButtonTemplate

Bars/nUI_XPBar.lua
1. Estimated XpPerLevel values
2. Accessing XpPerLevel table values sometimes glitches out so get a local copy to use for maths purposes.
3. Check if PlayerInfo exists before accessing child values

Integration/nUI_Minimap.lua
1. MiniMapBattlefieldFrame and MiniMapLFGFrame changed to QueueStatusMinimapButton

Main/nUI.lua
1. VehicleMenuBar no longer exists so no need to hide it

Plugins/nUI_ButtonBag.lua
1. MiniMapBattlefieldFrame and MiniMapLFGFrame no longer exists

Plugins/nUI_Location.lua
1. MiniMapBattlefieldFrame doesn't exist

Units/nUI_UnitCache.lua
1. GetNumPartyMembers = GetNumSubgroupMembers
2. GetNumRaidMembers = GetNumGroupMembers

Units/nUI_UnitClass.lua
1. New Monk Class settings

Units/nUI_UnitPanel.lua
1. GetNumRaidMembers = GetNumGroupMembers

Units/nUI_UnitRaidGroup.lua
1. GetRaidRosterInfo = GetGroupRosterInfo

Units/nUI_UnitRange.lua
1. Sometimes player_info doesn't exist.  Such as when you enter a vehicle.

Units/nUI_UnitReaction.lua
1. GetNumRaidMembers = GetNumGroupMembers
2. GetRaidRosterInfo = GetGroupRosterInfo
3. RAID_ROSTER_UPDATE replaced with GROUP_ROSTER_UPDATE
4. PARTY_MEMBERS_CHANGED replace with GROUP_ROSTER_UPDATE

Units/nUI_UnitSpec.lua
1. Revised Talent Querying and display 

Units/nUI_UnitStatus.lua
1. UnitIsPartyLeader changed to UnitIsGroupLeader
