First Playable Alpha

The first playable alpha should consist of a functioning hub map, the first playable map (The Fall of the House of Usher), and at least one class per role that can be played. A more detailed list of features is as follows: 
 
 A list of required features (cheesemeup)(done) 
 Expand list of features as more requirements become apparent 
 A class with a tank role(cheesemeup) 
 A class with a healer role 
 A class with a melee dps role 
 A class with a ranged dps role (cheesemeup)(done) 
 A system to change class and spec 
 Persistent mapping of actionbar slots to spells, per class/spec 
 The Fall of the House of Usher outside area map 
 The Fall of the House of Usher inside map 
 Wipe recovery by respawning at most recent checkpoint upon party wipe 
 8 to 10 scripted boss encounters 
 An aggro system 
 Pathfinding for NPCs 
 Auto-attacks 
 A map selection menu in the hub map to move to another map 
 A loading screen 
 Debugging options for:
 
 resetting the map 
 resurrecting all players at the current spawn location 
 reinitialization of boss encounter 
 
 
 Nameplates with HP and debuff display for NPCs 
 Buff and debuff display for players 
 Party frames 
 Mouseover targeting of unit frames 
 HoT and DoT display on party frames 
 A chat window to communicate with other players 
 Possible extension of chat window with debug commands, allowing for more commands than would fit in esc menu 
 Writing of combat log to persistent file 
 Player cap of 5 
 Rough balancing of specs and encounters 
 Return to hub map on map completion