Internet explorer bugfixes support.

html5shiv and ie9.js that fixes IE incompatibilities with HTML5.
Eric Meyer’s CSS reset.

The goal of a reset stylesheet is to reduce browser inconsistencies in
things like default line heights, margins and font sizes of headings,
and so on.
Error: Can't set headers after they are sent.

done() callback has alreay been called.
parseUri() renamed to util.parseMongooseOptions()

A new module app/common/util.js has been created for utility functions.
Fixed sharding. Fixed "500 Error: failed to serialize user into session".

Sharding key was inproperly defined.
AccountSchema.authenticate() doesn't return authenticated user.
connect-mongodb removed from dependencies.
Implemented primitive AccountController.

Jade templating has been refactored and AccountController for user login
has been implemented.