initial updates to api v2.0.0:

-  switch access backend to access-manager-api
- change resource quota to pool based
-  simplify backend system
- various cleanup

api/test_access.http

@@ -0,0 +1,21 @@
+### Get ticket
+POST {{baseUrl}}/access/ticket
+Content-Type: application/x-www-form-urlencoded
+
+username={{username}}
+&password={{password}}
+
+### Get user
+GET {{baseUrl}}/access/users/{{username}}
+
+### Get group
+GET {{baseUrl}}/access/groups/{{groupname}}
+
+### Get all pools
+GET {{baseUrl}}/access/pools/
+
+### Get pool
+GET {{baseUrl}}/access/pools/{{poolname}}
+
+### Get all pools
+GET {{baseUrl}}/cluster/nodes

api/test_instance.http

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+### Get ticket
+POST {{baseUrl}}/access/ticket
+Content-Type: application/x-www-form-urlencoded
+
+username={{username}}
+&password={{password}}
+
+### Get instance resources
+GET {{baseUrl}}/cluster/{{testvmpath}}
+
+### Test create instance
+
+POST {{baseUrl}}/cluster/{{testvmpath}}/create
+Content-Type: application/x-www-form-urlencoded
+
+name=testvm
+&pool={{poolname}}
+&cores=8
+&memory=8192
+
+### Test fail create instance
+
+POST {{baseUrl}}/cluster/{{testvmpath}}/create
+Content-Type: application/x-www-form-urlencoded
+
+name=testvm
+&pool={{poolname}}
+&cores=9999
+&memory=8192
+
+### Test delete instance
+
+DELETE {{baseUrl}}/cluster/{{testvmpath}}/delete

api/test_version.http

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+### Get version
+GET {{baseUrl}}/version