Make 'SkipContents' configurable in API. #345

Also add global configuration to disable 'skipContents' by
default for all new published repos/snapshots.

utils/config.go

@@ -21,6 +21,7 @@ type ConfigStructure struct {
 	DownloadSourcePackages bool                        `json:"downloadSourcePackages"`
 	PpaDistributorID       string                      `json:"ppaDistributorID"`
 	PpaCodename            string                      `json:"ppaCodename"`
+	SkipContentsPublishing bool                        `json:"skipContentsPublishing"`
 	S3PublishRoots         map[string]S3PublishRoot    `json:"S3PublishEndpoints"`
 	SwiftPublishRoots      map[string]SwiftPublishRoot `json:"SwiftPublishEndpoints"`
 }

utils/config_test.go

@@ -62,6 +62,7 @@ func (s *ConfigSuite) TestSaveConfig(c *C) {
 		"  \"downloadSourcePackages\": false,\n"+
 		"  \"ppaDistributorID\": \"\",\n"+
 		"  \"ppaCodename\": \"\",\n"+
+		"  \"skipContentsPublishing\": false,\n"+
 		"  \"S3PublishEndpoints\": {\n"+
 		"    \"test\": {\n"+
 		"      \"region\": \"us-east-1\",\n"+