Add some logic to notifiers js to catch empty required fields, prevent unneeded testing calls. Standardize and cleanup ajax calls as well.
Add note about sending notices to PHT to just use XBMC (since it mimics xbmc's json api) but with the correct port. Some minor cleanup.
Merge branch 'PR-823_update_notifiers2' into test-20140415

* PR-823_update_notifiers2:
  Add note about sending notices to PHT to just use XBMC (since it mimics xbmc's json api) but with the correct port. Some minor cleanup.
  Add some logic to notifiers js to catch empty required fields, prevent unneeded testing calls. Standardize and cleanup ajax calls as well.