Merge pull request #41 from spring-peepers-2014/Redis

Add visitor model with psuedocode for future Redis implementation
Create signup partial file
Add signup form
- username
- first_name
- last_name
- password
- email
- phone number
- want_email_checkbox
- want_text_checkbox
Added breaks after each notification checkboxes
Change text of submit button to 'Sign Me Up'
Merge pull request #42 from spring-peepers-2014/Sign_Up_Partial

Create sign up form as partial
Create sign in partial file
Add login form
- username
- password
Merge pull request #43 from spring-peepers-2014/Sign_In_Partial

Create log in form as partial
Add custom post route for signingup/creating users in DB
Create Users Controller
Remove Rails 4 depricated attr_accessible from User model
Rename user signup post route
Add custom post route to users#create for user signup form
Create private method for strong parameters
Add create user method in User Controller
Merge pull request #44 from spring-peepers-2014/User_Signup

Add user signup functionality
Add custom post route to users#login
Add custom post route to users#login for login form submission
Add login method to verify users