* stable-2.16:
Remove mention that H2 is not recommended for large installations
Temp fix for projects list ordering in PolyGerrit
EditInfo: Include the change edit ref
Add missing documentation of base_patch_set_number in edit API
Add postgresql/postgres/pgsql to mime list
Build all languages for highlight.js
Update git submodules
Fix "stream has already been operated upon or closed"
Merge top menu items contributed by plugins
Change-Id: I21aa77a4a068e16089709ee44a1fd2cf3d5b2c58
381e31956b