Enable export and import of SDN configuration

resolves #269 (closed)

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

controller/northbound/server/configurationmanagement.go

@@ -116,8 +116,7 @@ func (c ConfigurationManagementServer) ImportSDNConfig(ctx context.Context, requ
 
 	//TODO: Clear DB
 
-	//Create all elements
-	c.createElements(&sdnConfig, request)
+	c.createElementsFromSDNConfig(&sdnConfig, request)
 	if err != nil {
 		return nil, err
 	}
@@ -126,7 +125,7 @@ func (c ConfigurationManagementServer) ImportSDNConfig(ctx context.Context, requ
 		Timestamp: time.Now().UnixNano()}, nil
 }
 
-func (c ConfigurationManagementServer) createElements(sdnConfig *loadedSDNConfig, request *cmpb.ImportSDNConfigRequest) error {
+func (c ConfigurationManagementServer) createElementsFromSDNConfig(sdnConfig *loadedSDNConfig, request *cmpb.ImportSDNConfigRequest) error {
 	pndUUID := uuid.MustParse(request.Pid)
 	pnd, err := c.pndStore.Get(store.Query{ID: pndUUID})
 	if err != nil {