add resources
Merge branch 'master' of https://github.com/okfn/ckanext-sgdata

# By Sean Hammond
# Via Sean Hammond
* 'master' of https://github.com/okfn/ckanext-sgdata:
  Fix crash on one-character keywords
  Don't crash showing datasets with no activities
  Fix the organizations dropdown
header and homepage
Merge branch 'master' of https://github.com/okfn/ckanext-sgdata

# By Sean Hammond
# Via Sean Hammond
* 'master' of https://github.com/okfn/ckanext-sgdata:
  Initial implementation of SG Data Record Identifier field
  Add dataset contact page

Conflicts:
	ckanext/sgdata/plugin.py
add resources (back) into plugin.py