added identity tests for environment and token get functions
removed duplicate identity test for get-token
Additional constants tests
Rename servers.v2.service.clj to compute.clj
Add code & test to handle empty serviceCatalog in services.clj
Merge branch 'master' of https://github.com/oubiwann/clj-openstack
Merge pull request #13 from scadams/const_tests

Additional constants tests
Merge pull request #10 from mcoupland/master

Reverted unit tests, added tests for env and token variable functions
Merge pull request #14 from scadams/compute_refactor

Rename servers.v2.service.clj to compute.clj
Merge pull request #16 from nadeemsyed/master

Add code & test to handle empty serviceCatalog in services.clj