Merge pull request #11 from bridgethillyer/master

Remove dead code
Removed clojure.pprint require

It was not being used.
Use form/ instead of f/ for hiccup.form
Prefer "indicators" to "ind"

Spelling out everything will make the code easier to read.
Removing and simplifying code

I'm removing all code that we can, and trying to simplify the rest.
The World Bank API code has all been pulled into its own namespace.
Reorganizing into core for m4 and web for m5
Updated to match curriculum