Add some color and styles

  * changed colors of buttons to their own classes
  * form now disappears upon new contact creation
  * add nav bar
Add 26 letters to filter

  * add the letters upon creating
  * add style to them
  * add an active class
Add grid to make css better

  * add 1000px grid
  * move media queries to separate file
Add location to the mix

  * Add a city into the model
  * Add default city
  * Render city
  * Add city to html
Add some styling
Change form to read section of inputs, not div

  * change was made to the html, but the form logic was
    not updated
Make "to check" search values a constant in app.js
Merge pull request #12 from mknudsen01/styles

Styles