(feat) Adjusts GAE config to support assets/img

In both development and production files.
(Feat) Adds a number of fields about visit

Adds the Reason field with the options Pain, Urge and Habbit options.
Adds the Sticky, Pain, Blood types and adds the bristol stool chart
type.
Removes the thickness option. (Should be converted to type, see #30)

Updates List to display these new options, and changes the graph so that
the size replaces thickness.

Addresses #28.
(Feat) Improves welcome page.

Makes it a lot clearer what this is for. Also makes it graphicly a lot
more appealing to first timers.

Adresses #27.

Also adds the images I forgot to add for #28
Merge branch 'warmerWelcome'
(Fix) Changes images path