Working on off canvas nag for app

Signed-off-by: Ryan Holder <ryan@ryanholder.com>
Webview insertcss, executescript and added Fontawesome

Added Font Awesome to project and worked with web view executescript and insertcss

Signed-off-by: Ryan Holder <ryan@ryanholder.com>
Injecting script and css and using content window.postmessage to communicate between app and site

Signed-off-by: Ryan Holder <ryan@ryanholder.com>