Added better looking alert messages.

Messages don't push content down and will auto-close after 5 seconds.

Closes #58
Reload page on ajax errors.

The error message will be shown on the alert div
Moved alert to the right (to avoid it showing under the workflow buttons)
Added more useful error messages
Don't hide alerts on forms.

Fix notice alerts.
Fixed error messages
Fixed customer variable usage
Merge pull request #76 from matthew-parlette/notification_improvements

Notification improvements