Update tutorial.rst
Merge pull request #938 from Mbosco/patch-1

Update tutorial.rst
Fix possessive "its"
Fix typo; clarify purpose of search template
Merge pull request #968 from tobych/patch-1

Fix possessive "its" in tutorial.rst
Improve punctuation in super-scary YMMV warning
Merge pull request #969 from tobych/patch-2

Fix typo; clarify purpose of search template
Merge pull request #970 from tobych/patch-3

Improve punctuation in super-scary YMMV warning
ElasticSearch: avoid KeyError for empty spelling

It was possible to get a KeyError when spelling suggestions were
requested but no suggestions are returned by the backend.

Thanks to Steven Skoczen (@skoczen) for the patch
Add setup.cfg for common linters
Moving to unified test suite, step 1, core and discovery
Removing core tests from old structure
Removing moved tests
Moved elasticsearch tests to the new test structure
Whoosh tests migrated to new structure
Make sure WhooshSearchBackendTestCase runs on different path
Moved simple tests
Moved spatial tests
Moved solr tests over
Add option for SearchModelAdmin to specify the haystack connection to use