CSPACE-375 workspaces are "created" if not found. RepositoryClient.getWorkspaceId...

CSPACE-375 workspaces are "created" if not found. RepositoryClient.getWorkspaceId is not yet tested or used.
test: created workspaces after reinitializing service layer (drop databases, tables, etc.) tested with existing workspaces too. used mvn test at service level.

M    common/src/main/java/org/collectionspace/services/common/repository/RepositoryClient.java
M    common/src/main/java/org/collectionspace/services/common/ServiceMain.java
M    common/src/main/java/org/collectionspace/services/common/config/TenantBindingConfigReader.java
M    common/src/main/java/org/collectionspace/services/nuxeo/client/java/RepositoryJavaClient.java
M    common/src/main/java/org/collectionspace/services/nuxeo/client/java/NuxeoConnector.java
M    common/src/main/java/org/collectionspace/services/nuxeo/client/rest/RepositoryRESTClient.java