Tests

Add sphinx-version-warning extension (#502) #15

Job	Run time
Build microceph snap	5m 25s
Run Unit tests	2m 51s
Test MicroCeph Cluster features.	4m 0s
Test with loopback file OSDs	2m 31s
Multi node testing	6m 55s
Multi node testing with custom microceph IP	5m 31s
Test MicroCeph Remote Replication features.	8m 24s
Single node with encryption	6m 58s
Test quincy upgrades	7m 52s
Test reef upgrades	7m 53s
Test WAL/DB device usage	3m 57s
	1h 2m 17s

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