Update 3_controllers.md

delete "to"
add "s" to controller
Update 5_view_and_form_helpers.md

add assets folder for clarification.
Update 5_view_and_form_helpers.md

maddness => madness
Update 7_jquery_and_ajax.md

expect => expecting
Merge pull request #3 from nastysloper/master

Delete extra word
Merge pull request #4 from nastysloper/patch-2

Patch 2, add "s" to controller
Merge pull request #5 from nastysloper/patch-3

Update 5_view_and_form_helpers.md
Merge pull request #7 from nastysloper/patch-5

Update 7_jquery_and_ajax.md
Merge pull request #6 from nastysloper/patch-4

Update 5_view_and_form_helpers.md
Merge pull request #8 from mbacksmeier/master

Add relative links in README
Update README.md

Add syntax highlighting for route examples
Merge pull request #1 from mbacksmeier/patch-1

Update README