Error template added.

Summary :
Any internal error or page not found, will be redirected
here. This page is an elegant way to tell somethings wrong!

TestPlan :
web page tested.

Reviewers :
admin

Reported-By :
Swathi V

SignedOff-By :
Swathi V
An abstract class to handle the routes

Summary :
Abstract class handling the Route with the template.

TestPlan :
NA

Reviewers :
admin

Reported-By :
Swathi V

SignedOff-By :
Swathi V
Modified AppController and login template.

Summary :
Login template made better.

TestPlan :
NA

Reviewers :
admin

Reported-By :
Swathi V

SignedOff-By :
Swathi V