Status field on form now reflects project status.

New projects will default this field to 'new'.

Fixes #36
Hacked a solution for a nice date picker.

This is an unfortunate implementation since it uses a script in the form, but I couldn't figure another way around this when the form is rendered through a modal.

Closes #15
Fixes #37
Merge pull request #39 from matthew-parlette/project_form_improvements

Project form improvements