minor typo/wording/formatting changes
use full package name for gorilla/mux
rephrase intro JSON paragraph
Merge pull request #12 from zackse/master

minor wording/formatting changes
Start adding examples
Added example for creating_a_basic_web_app
Creating a better example for the databases section
Improved the database chapter with a way better example
Added an example for deployment
Added example for Middleware
Organized the rendering chapter a bit more
Updated the json example to be a bit more in line with the rest
Fixed up the example for render
Added example for the URL routing chapter
Added descriptions for required packages

also removed controllers package from the mix. closes #1
Mentioned bootstrap.min.css
Capitalized HTTP
Capitalized Apache
Capitalized Negroni
Got rid of “here” when referencing links