CouchDB support added, thinking about switching back to Postgres
Revert "CouchDB support added, thinking about switching back to Postgres"

This reverts commit 06ea770ad724bbee92cf48b7f035c0f0a1cd7a93.

Conflicts:
	README.md
	app.js
	node_modules/nano/node_modules/errs/package.json
	node_modules/nano/node_modules/follow/package.json
	node_modules/nano/node_modules/request/package.json
	node_modules/nano/package.json
	routes/users.js
CouchDB support added, thinking about switching back to Postgres
CouchDB support added, thinking about switching back to Postgres