[#285] Remove code in base controller that is not used in the ckan codebase
[#285] Re add function mis-used in api controller
[#285] _make_unicode() still has user
Merge branch 'master' into 285-base-controller-code-removal
[#285] Move function into only function using it
[#285] Move function into API controller as only user
[#285] Fix missing imports
[#285] Use json defined in h
[#252] Check_access helper function does not need data_dict supplying
[#252] Only show add related item button if permission to add
[#306] Fix error where icon passed to qs in links
309 no private datasets in activity streams, revisions, group listing and tag listings
Update issue tracker link in README
Update contributing link in README
[#287] Add is_datastore_supported method to tests and engine_is_pg to model
[#287] Log warning if the database is not a pg database. Skip datastore tests, if there is no support for them.
make group_list_dictize reasonably fast by going through search index
[#309] add package count using search index
[#257] Set timeout to 10 seconds in recline source
Merge pull request #306 from okfn/306-header-link-icon-qs

?icon=None in links that use h.url_for with the icon attribute