Update OCM client library to latest version

See merge request !40

Add tests for evaluation with static json data

Closes #34

See merge request !39

Rego extension function documentation

Closes #44

See merge request !38

Handle "scope to credential type" map in GetLoginProofInvitation func

Closes #43

See merge request !37

Update GetloginProofResult function according to changes in OCM client

Closes #42

See merge request !36

Extension functions for GetLoginProofInvitation and GetLoginProofResult"

Closes #41

See merge request !35

Extension functions for creating and verifying VC/VP proofs

Closes #40

See merge request !34

Add proper filename during sync

Closes #32

See merge request !33

Replace LICENSE

See merge request !32

Expose prometheus metrics

Closes #38

See merge request !31

Add temporary evaluation path ending with 'did.json' for the demo

See merge request !30

Rego extension function to retrieve organization DID (issuer of proofs)

Closes #37

See merge request !29

Allow policy evalution with HTTP GET request

Closes #36

See merge request !28

Refactor policy evaluation response to allow different levels of embedding values

Closes #33

See merge request !24

This commit changes two things:
* evaluationID is no longer returned as part of the JSON response, but instead is
returned as HTTP ETag header
* if policy source code contains a single blank variable assignment then the result
from the policy evaluation will be only the value of that variable