Prevent Asset Loading on Precompile

* I'm not sure if it's necessary to disable this option, but
  I'm disabling it just in case it's still required to do so
  for a Rails app on Heroku.

https://github.com/Moneyvate/moneyvate-core/issues/1
Add Home Page

* Added route to home page.
* Added home page with some test copy.
Add Devise User

* User class now added.

https://github.com/Moneyvate/moneyvate-core/issues/1
Add Navigation Bar with Login/Logout Links