storage: api: cove: New file layout scheme

[odscjames]

https://github.com/OpenDataServices/standards-lab/issues/138

migrate script included

[coveralls]

Pull Request Test Coverage Report for Build 856796916

• 86 of 96 (89.58%) changed or added relevant lines in 5 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+3.6%) to 70.065%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
standards_lab/api/management/commands/migrateprojectstructure.py	30	31	96.77%
standards_lab/processor/cove.py	1	3	33.33%
standards_lab/api/views.py	11	18	61.11%
<!--	Total:	86	96	89.58%	-->

Files with Coverage Reduction	New Missed Lines	%
standards_lab/api/views.py	3	51.35%
<!--	Total:	3		-->

Totals
Change from base Build 820161135:	3.6%
Covered Lines:	433
Relevant Lines:	618

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💛 - Coveralls

[odscjames]

Commit message changed

[odscjames]

Thanks - I didn't know the testing stuff, but as we will delete that command and test in a bit I'll just leave it. I'll fix the type thing tho.