removed macros.vm file, added nru_macros.vm file, also renamed some macros
with the prefix "ru" to avoid conflicts.
Added basic layout to resemble treatment 17 from
https://docs.google.com/a/curriki.org/presentation/d/1nCH861pME95xHDB7lHH_rGNnaokjWOc6mEJX4TMnHao/edit#slide=id.g10244b439_128

Added font-awesome styles for icons