Some MongoDB and related updates

[Martii]

• Migrate to newer connect-mongo, mongodb, and mongoose.
• express-brute usage migrated and retested
• Discussions, comments, searching, listing, etc retested (SFSG)
• Script installs retested
• Script WO/UL/Import retested
• Delete op retested... db intact

NOTES:

• Dev tested
• Local pro tested
• Bug in Forum #350 retested
• These are all tied together in some fashion
• mongoose console warning:

WARNING: The `useMongoClient` option is no longer necessary in mongoose 5.x, please remove it.
    at handleUseMongoClient (~/repo/git/OpenUserJS.org/martii/OpenUserJS.org/node_modules/mongoose/lib/connection.js:506:17)
    at NativeConnection.Connection.openUri (~/repo/git/OpenUserJS.org/martii/OpenUserJS.org/node_modules/mongoose/lib/connection.js:407:7)
    at Mongoose.connect (~/repo/git/OpenUserJS.org/martii/OpenUserJS.org/node_modules/mongoose/lib/index.js:207:15)
    at Object.<anonymous> (~/repo/git/OpenUserJS.org/martii/OpenUserJS.org/app.js:88:10)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)
    at Function.Module.runMain (module.js:693:10)
    at startup (bootstrap_node.js:188:16)
    at bootstrap_node.js:609:3

Ref(s):

• https:/mongodb/node-mongodb-native/blob/b8484257e16ab129b5d1614f6c9fbf933846814d/CHANGES_3.0.0.md