render text and/or html
handle single-section documents better
store rawText on sections
fix make test
markdown refs -> mustache
first mustache integration
add mustache dependency
check existence of file before cleaning
start of renderer
make clean removes js
sections are lexed individually
but we still aggregate the links from them all after.
strip blank line from text
switched from namp to marked
marked is better-maintained now and (thankfully) provides flags for disabling
things like GFM-style linebreaks.