add map of organizations on home page
remove directory link from header
add unminified mapsvg
change implementation of mapsvg
so it works with ember. The original docs are not going to be accurate anymore.
The mapSvg function now takes two arguments: the first is a string of the id of the
element to render the map in, and the second is the options. Originally, only the options
were passed in
some minor tweaks to render map on home page