Remove not needed exports and fix indentation
Remove deleted branch from styles link
Merge pull request #2 from bdo-labs/fixup

Remove not needed exports and fix indentation
Merge pull request #3 from bdo-labs/branchfix

Remove deleted branch from styles link
Copy index.html to build folder on make and add more boxes

Copy index.html to build folder on make build and serve this copy when
testing. Update references to build files in the index to reflect this
move. Add more boxes.
Remove unused variable
Update styles to match newest design sketches

Rename box classes (interactive-box -> primary-box, etc). Change some
margins, sizes and floats/clears. Remove some obsolete html elements
and classes/styles. Improve chart placeholder.