Release notes, etc. for 0.5.3
Updated tests to verify that a BindingActor's initial value is rendered on page load
Reverse the order of rendering of the two BindingActors, as we found that usages of CometListener didn't work.
Updated release notes for 0.5.3
Updated a test that now fails due to a fix
Fixed the snapshot repo by making it https, and updating test script to use my standard sbt install