Fix file upload via artifactory publish functions

The new version of artifactory requires artifactory prefix
to be added to target when uploading/downloading artifacts.

Change-Id: If327b3f579e24e9c808d74d45901982ff96dc330
Related-Prod: RE-583
diff --git a/src/com/mirantis/mk/Artifactory.groovy b/src/com/mirantis/mk/Artifactory.groovy
index 9ac53bc..d126a1b 100644
--- a/src/com/mirantis/mk/Artifactory.groovy
+++ b/src/com/mirantis/mk/Artifactory.groovy
@@ -346,7 +346,7 @@
       "files": [
         {
           "pattern": "${file}",
-          "target": "${art.outRepo}",
+          "target": "artifactory/${art.outRepo}",
           "props": "${props}"
         }
       ]
@@ -477,7 +477,7 @@
                 "files": [
                    {
                        "pattern": "${chartPattern}",
-                       "target": "${repoName}/"
+                       "target": "artifactory/${repoName}/"
                     }
                 ]
             }"""