PULSAR-7: added form validation for create instance modal.
Merge branch 'master' of http://stash.excellent.io/scm/~smith/meteorologist
Merge pull request #57 in METEOROLOGIST/meteorologist from ~SMITH/meteorologist:master to master

* commit '8f7134c8efefe7494c6c3df2f292f1f18a6e9683':
  PULSAR-7: added form validation for create instance modal.