FIX redirect after PUT, instead of show render

* now you don't have to see the ugly `?_method=put` after save

NOTE also the subtle change of use in the `dict.get` method
Merge branch 'FIX-PUT-redirect' of https://github.com/jangxyz/ecogwiki into jangxyz-FIX-PUT-redirect

Conflicts:
	views.py