This updates all of the dependencies to the latest, greatest versions of
the various components that make up Armstrong.  New this release:

* Wells interface thanks to @dmclain
* ImageSet models thanks to @pizzapanther
* Better related content handling

Minor updates:
* Minor updates to the demo to showcase the new well interface
* Some hefty clean up of Hatband's internal structure

Several misc bug fixes are also installed as the minimum required
version.