Create snags.js

Adding a blank file for a custom "snagged" module
Adding newdj module

This module allows you to set a "Welcome new DJ, this is our rooms
guidelines" message via /newdjgreeting and /setnewdjgreeting.
Adding showtriggers.js
Correct bad file name commit, add sorting of triggers
Merge pull request #70 from rrxtns/master

Stub for snags.js, completed newdj and showtriggers modules