Add SkyHaven Temple, remove some extraneous info from presets file.
Sort and strip out a few unused nodes. Can probably strip out more, though.
Save UUID with character.

Laying the framework for no longer depending on the player's name to be unique.
Add UUIDs to Hangouts.
Cleanup some legacy functions.

#87.
Fix misc glitches with Alcove.
Implement more effective reset for Shrine, and allow reset of individual Alcoves.

A single Alcove can be reset by choosing "*Reset*" from the end of the Character dropdown.