Make strong_parameters example simpler
updates latest Rails version number
add change_table transformation to Migration docs [ci skip]
fix example in Migration docs [ci skip]
remove non sequitur NOTE on :include
Fixed typo in command to run unit test
Fixed typo in command to run unit test
Fix truncated line in the i18n edge guide
use <url> markdown syntax instead of [url](url) [ci skip]
Space between "every" and "time"
change `#` to `$` in bash section
Explain that command line commands have $

This was extremely confusing to new programmers, also different operating systems call the command line something different
explain how to check if the server has returned on *nix systems in getting_started guide
Add /rails/info/routes method to getting_started

Also fix # to $ for `rake routes` command
instructions for running migrations in another ENV
improve wording over `change` method docs

The feature is available after Rails 3.1 and this is no longer a "new" feature.
add command line $ tip for new programmers
Add command before bash output 

Add tip for command line.
Fixing markdown typos in upgrading_ruby_on_rails.md
Fix Example in active model attribute methods