* Show the parameter bindings on the status page for an experiment, and
  on the memlane page. This is strictly informational so that users can
  quickly see the parameters that are/were chosen at the time the
  experiment was created.

* Add a Save Parameters button on the memlane and status pages. This
  will generate a json structure and store it in the DB for that profile
  and user. Optionally, mark the parameter set as specific to a profile
  version or repo hash, so a user can quickly link to that version/hash
  and apply the parameter set.

* On the instantiate page, the parameters step include new buttons to
  1) reset the form to default, 2) apply the parameters used in the most
  recent experiment (current, then history), 3) choose from a dropdown
  of parameters the users has saved for that profile, and 4) take the
  user to their activation history for the profile, to pick one to run
  again or save parameters.

* Add a new tab to the user dashboard to show the user's saved parameter
  sets.

* Lots of changes to the new version of the ppwizard for apply
  parameter sets and showing warnings about them. This code has NOT been
  applied to the old ppwizard.