[349] Show correct package edit tab when the form has an error.
[329] New hashchange plugin. Highly robust. See it in action in publisher/index

Conflicts:

	ckanext/dgu/theme/templates/layout_base.html
[329] Dataset editor uses hashtabs too. Fixed a refactor bug in helpers.py.

Conflicts:

	ckanext/dgu/lib/helpers.py
[329] merge fix.
[325] Titles rendered outside .boxed area on resource_read. Manual cherry-pick of c9c3661a4.
[325] cherry-pick fix.