Swap around if/else clauses for request==POST and createform_class
Swap around if/else clauses for request==POST and createform_class

This will make it easier to splitout the POST case later...

mixxorz/wagtail,thenewguy/wagtail,thenewguy/wagtail,zerolab/wagtail,wagtail/wagtail,rsalmaso/wagtail,thenewguy/wagtail,thenewguy/wagtail,jnns/wagtail,wagtail/wagtail,wagtail/wagtail,mixxorz/wagtail,rsalmaso/wagtail,wagtail/wagtail,zerolab/wagtail,mixxorz/wagtail,mixxorz/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,jnns/wagtail,wagtail/wagtail,jnns/wagtail,zerolab/wagtail,mixxorz/wagtail,jnns/wagtail,thenewguy/wagtail,zerolab/wagtail,zerolab/wagtail,rsalmaso/wagtail