Add eslint-plugin-meteor

Add rules for eslint-plugin-meteor.

Use local version of eslint and eslint-plugin-meteor, instead of
relying on global versions. Ensures consistent versions of eslint and
eslint-plugin-meteor for all developers.

models/attachments.js

@@ -1,4 +1,4 @@
-Attachments = new FS.Collection('attachments', {
+Attachments = new FS.Collection('attachments', { // eslint-disable-line meteor/collections
   stores: [
 
     // XXX Add a new store for cover thumbnails so we don't load big images in