First draft with TODOs still in place.
Just needed to get this out there.
Merge pull request #24 from lancehalvorsen/add-controller-guide

First draft with TODOs still in place.
additions, deletions, formatting, and editing to the resources guide
Merge pull request #25 from lancehalvorsen/fixup-resource-guide

additions, deletions, formatting, and editing to the resources guide
add redirection to controller guide, including redirect/2 and redirect/3
Merge pull request #26 from lancehalvorsen/add-redirection-to-controller-guide

add redirection to controller guide, including redirect/2 and redirect/3
adds markdown image tags to the introduction and adding pages guides
Merge pull request #27 from lancehalvorsen/add-images-inline

adds markdown image tags to the introduction and adding pages guides
adds section on creating a custom error controller
Merge pull request #28 from lancehalvorsen/add-custom-error-controller-to-controller-guide

adds section on creating a custom error controller
catching up to latest usage: adding Helpers to MyApp.Router.Helpers path and url helpers
Merge pull request #29 from lancehalvorsen/fix-helper-calls-in-router-guide

Add "Helpers" to router path and url helpers