Revert "use @write for theme tasks", "put theme image saving and checksumming into single task" to debug -dev

This reverts commit dbffe1d3e9b5aaf60c660cf076f9753b48df9f6e.
This reverts commit e55d5cb731db1c8bc0dd40095be5bad7663e2987.
Revert "Revert "use @write for theme tasks", "put theme image saving and checksumming into single task" to debug -dev"

This reverts commit 600845d247f2d56744c702c22bf55f817ded98ea.
make theme image saving not a subtask
Allow admins and reviewers to see non-public apps. (bug 873150)
debugging whether theme submit problems due to celery
Revert "debugging whether theme submit problems due to celery"

This reverts commit 3c069ee20bcf8669cd7ca29e0e72b9309195dff5.
bump the monolith client version
Revert "bump the monolith client version" for now.

It needs to be copied to our local pyrepo.

This reverts commit 640170de067fd88720657f2f3ad142bb9aa9f6c0.
bump amo-validator for TB20 compat
Fixed order of imports for theme_update tests (bug 860476)
Updated search API to not hit database (bug 851588)