Optimize _extra_params_query
Workflow no longer requires status full_text_attr
Merge pull request #1721 from reciprocity/feature/patch-extra-params-optimization

Patch PR for "extra params optimization"
Support for extra columns in count query
Fix for appengine LHN search not working
Reenable sorting of LHN results
Merge pull request #1730 from reciprocity/feature/patch-extra-columns-count

#1718 rebased for patch
Merge commit 'c1337f7407b1d' into develop
Merge remote-tracking branch 'origin/release/0.9a36' into develop