timestamp added to file upload
modified parameters for DB connection
file upload modified (filepath instead of BLOB) and retrieving DB / TODO: routing images
Merge branch 'master' of https://github.com/arzhed/snapgram

Conflicts:
	routes/feed.js
	routes/signin.js
	routes/signup.js
file retrieving fixed
user stream created and accessible from feed
Merge commit '0c17046d86b46be71bb52d46204c2e0f5ad89cb0' into Adesh

Conflicts:
	app.js
	routes/feed.js
	routes/signin.js
	routes/signup.js
	views/feed.jade
	views/layout.jade

PLEASE WORK FROM THIS BRANCH, DONT CREATE ANOTHER ONE !!!!!!!!!!!!!!!