new branch work in progress
Refs #19360 distribution of blobls by content-type analysis tool
Refs #19360 analize blob space distribution by content-type
Add blob compression prototype
zip blob implementation without tests
Refs#19360 Refactor, add compression info in zpt, fix tests.
Refs#19360 tweaks

Decide what content types to compress
Disable compression for the rest of FileContainer users
write test
change zodb scripts: list_reporters and list_auditors
cosmethics
Fix compressible content_type indentification.
Refs#19360 Add update script for blob compression
Refs#19360 Fix migration script, support both migrtated obj and not migrated with same code

Handle non migrated blob_path objects (so we wont run two lengthy migtations...)
Refs #19323 Samll refactor, add the possibillity to ping synchronous
Fix log on ping delete. Fix docsting.
Merge branch 'master' into 19360_blobCompression
Refs#19323 Eliminate the unreleased gap between the envelope release and CR ping
Fix tests involving envelope release
Remove old mock for cr_ping - ping is called only from ZMI scripts
Merge branch 'master' into 19360_blobCompression
Minor tweaks in migration script output