Fix object namespace

[Chalsean]

Currently most class/object definitions are doing so in the root namespace which could cause namespace collisions. Need to rework all classes to a XF specific namespace.

[Chalsean]

• [ ] Class
• [ ] Spec
• [ ] Confederate
• [ ] Guild
• [ ] Realm
• [ ] Region
• [ ] Team
• [x] Item
• [x] Order
• [ ] Profession
• [ ] Faction
• [ ] Race
• [ ] Unit
• [ ] Zone
• [ ] Continent
• [ ] Factory
• [ ] Object
• [ ] Version
• [ ] Expansion
• [ ] Achievement Handler
• [ ] Addon Handler
• [ ] BNet Handler
• [ ] Channel Handler
• [ ] Chat Handler
• [ ] Guild Handler
• [ ] Item Handler
• [ ] Order Handler
• [ ] Player Handler
• [ ] System Handler
• [ ] Timer Handler
• [ ] Media
• [ ] Metric
• [ ] BNet
• [ ] Channel
• [ ] Chat
• [ ] Friend
• [ ] Link
• [ ] Mailbox
• [ ] Message
• [ ] Node
• [ ] Target
• [ ] Event
• [ ] Hook
• [ ] Timer
• [ ] Addon
• [ ] RaiderIO
• [ ] ElvUI
• [ ] Kui
• [ ] WIM
• [ ] DTGuild
• [ ] DTLinks
• [ ] DTMetrics
• [ ] Chat Frame
• [ ] System Frame
• [ ] Logger

[Chalsean]

Fixed in 4.13