Merge branch 'master' into stditem
Merge branch 'master' into stditem
Merge branch 'master' into stditem
Merge pull request #1 from bendiy/etags-on-lists

Etags on lists
Merge branch 'cdd' into stditem
Merge branch 'master' into stditem
Merge pull request #2 from bendiy/stditem

Stditem
issue #23108: get simple query working efficiently
issue #23108: support simple joins usecase
issue #23108: get two filters to work and add testing
issue #23108: support multiple attributes
issue #23108: joins should be left joins
issue #23108: use more aliases
issue #23108: tweak tests to pass
issue #23108: first crack at orm extensions
remove log
issue #23108: use new API for item_site fetch
issue #23108: flail at item_site fetch
issue #23108: add back deprecated function
issue #23108: bring back old itemsite