mapplot fix - aplpy uses fits conventions, therefore sets x/y incorrect
TODO: Check that this is true if wcs are set!
added n2hp cube example and data
bug fixes in mapplot regarding connections, overplotting
doc update
doc update
updated n2hp cube example, n2hp wrapper to be more general
minor changes, mostly formatting, but also realized the radex fitter isn't the
default for the n2hp examples
added example html