COOPR-510: Basic rest client implementation. Implemented AdminClient and ClusterClient interfaces.
Merge branch 'develop' into feature/rest-client
COOPR-510: Refactored code to avoid code duplication.
Merge branch 'develop' into feature/rest-client
Merge branch 'develop' into feature/rest-client
COOPR-510: Updated feature code according to comments from thr PR; Created base classes for unit testing.
Merge branch 'develop' into feature/rest-client
COOPR-510: Updated feature code according to comments from the last PR; Created unit tests for AdminRestClient and ClusterRestClient.
204 must not contain any body.
Merge pull request #658 from caskdata/feature/no-body-for-204

204 must not contain any body.
fix potential nullpointer
Merge pull request #648 from cybervisiontech/feature/rest-client

Feature/rest client
Merge pull request #659 from caskdata/feature/fix-nil-sshfile

fix potential nullpointer
protractor login helper
cleanup
default 3 second alerts
default 3 second alerts
speed up PROTRACTOR
also speed up fake auth - integration suite runs locally in 29 seconds
simplify test