Adds the landing page ui.
Added the basic bootstrap theme.
Add expense index and maintain page prototype.
Adds the custom widget css file
Update basic theme style
Set styles for expense index and maintain page
Change avatar style on header
1. Changes background color of login form
2. Add forgot password link
Downgrate the version of gem bcrypt-ruby from 3.1.2 to 3.0.0 in rails 4.0.0
Add the site.sass for whole web site styles
Change application layout format from erb to haml and add the website layout
Add sing in feature