* Lossless image optimization (using ImageOptim).
This shouldn't change the visual appearance of any images. ImageOptim
was run with the highest compression setting except that JPEG metadata
stripping was disabled because some users prefer to avoid stripping
JPEG metadata.
* Update READMEs that have Changelogs for themes impacted by lossless image optmization change.
* Zoologist: Adding Zoologist from wpcom
* Copy changes back from Geologist to Zoologist
* Update templates and theme.json from Geologist and remove block patterns
* Remove query CSS
* Reset settings back to the right ones
* Put settings back to how they were
* Add social nav
