Give bots a global read-only key-value store
Load the key-value store from config json
Reimplement Memory using MongoDB
Move MongoDB functions to Yukibot.Utils
Add a deleteMongo function, update alterFacts to use it.
Add a mongodb at-with-default function
Move triggers to the database, and drop blacklist/whitelist functionality as it was unused
Add ability to specify trigger probability when defining
Prepend a namespace to default mongo constructions
Merge branch 'mongodb'. Closes #15.