Add push certificate provisioning and RO API

[coveralls]

Pull Request Test Coverage Report for Build 9720893369

Details

• 94 of 100 (94.0%) changed or added relevant lines in 8 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 79.571%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
zentral/contrib/mdm/models.py	16	17	94.12%
zentral/utils/ssl.py	5	6	83.33%
zentral/contrib/mdm/migrations/0081_pushcertificate_provisioning_uid_and_more.py	8	12	66.67%
<!--	Total:	94	100	94.0%	-->

Totals
Change from base Build 9711594060:	0.04%
Covered Lines:	36364
Relevant Lines:	45700

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💛 - Coveralls