Add web/ folder
Add absolute path to autoload.php and application.php files
Add /web path to Custom Content Directory and to absolute path to the WordPress directory
Update Folder structure/Configuration Files in README
Change __DIR__ constant to dirname(__DIR__)
Cleaner path to Custom Content and WordPress directory
Indentation fix
Merge pull request #37 from rslnk/cleaner-path-to-web-app-content

Cleaner path to Custom Content and WordPress directory
WP_HOME and WP_SITEURL shouldn't be env vars

These should just be set directly in the environment configs as they
aren't secure/secret credentials
Add web/ folder