JWT-based authentication rework

[bobheadxi]

🎟️ Ticket(s): Closes #187

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👷 Changes

UghhhhhhHHHHHSDFSDF:EJWIo

See commits for changes. Namely:

• Slight refactoring of some crypto functionality out of auth into crypto
• Removed all cookie functionality, replace with tokens + claims
• Added some ugly hacks to get around CLI tokens not having claims yet (see TODO: in code)
• Fixed small bug with provisioning not saving the configuration

🔦 Testing Instructions

run tests, particularly permissions_test.go

[coveralls]

Pull Request Test Coverage Report for Build 1020

• 123 of 155 (79.35%) changed or added relevant lines in 10 files are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.6%) to 41.557%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
daemon/inertiad/project/deployment.go	0	1	0.0%
daemon/inertiad/auth/permissions.go	20	21	95.24%
cmd/provision.go	0	2	0.0%
daemon/inertiad/cmd.go	0	2	0.0%
daemon/inertiad/crypto/token.go	34	39	87.18%
daemon/inertiad/auth/users.go	24	30	80.0%
daemon/inertiad/auth/sessions.go	41	48	85.42%
daemon/inertiad/up.go	0	8	0.0%

Files with Coverage Reduction	New Missed Lines	%
daemon/inertiad/auth/permissions.go	3	76.04%

Totals
Change from base Build 1004:	0.6%
Covered Lines:	1425
Relevant Lines:	3429

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💛 - Coveralls