Configure using nconf, clean mongoose config file

The configuration settings are getting out of hand, so a config file
was created (config/config_faneron_test.json) for the testing server.
The nconf docs are here: https://github.com/flatiron/nconf
Finally, the mongoose config file was cleared of all unused code.
Ignore npm-debug.log file
Install and configure multer

multer is middleware, based on busboy, to handle multi-part uploads
(most often for data). For docs, see:
https://github.com/expressjs/multer
Add route for image upload

Add a route for uploading an image to AWS S3. The image is saved
locally to the server first, then uploaded to the AWS S3 instance.
Remove extra line
Merge branch 'Image-Uploading' of https://github.com/Faneron/Faneron into Image-Uploading

Conflicts:
	routes/index.js