Allow patch save type in stand-alone
Allow bypass “patch” save with ALT+<click save>

Allow forcing a “full” save because the diff/patch library crashes the browser while running `patch_make` on some forms.
INCOMPLETE save crash

http://manage.dimagi.com/default.asp?146035

To reproduce:
- Load stand-alone in Chrome
- Change first question ID, then change it back (form should be exactly as it was when loaded).
- Click Save
- Crash! (ALT+Save prevents this crash)