Remove sphinx search engine tests
Merge pull request #1142 from nlegoff/sphinx-tests

[3.9] Remove sphinx search engine tests
Update directory structure & allow to configure paths (tmp, log, cache)
Merge pull request #1141 from nlegoff/log-path

[3.9][READY] Update file structure
Add aggregable property to metadata fields
Merge pull request #1149 from nlegoff/aggregable-field

[READY][3.9] Add aggregable property to metadata fields
Improve VM build
Merge pull request #1150 from nlegoff/fix-vms-build

[3.9] Improve VM build
Add reconnectable statement & improve reconnectable connection
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