Update metadata.yml with correct URL

Change-Id: I0872856e7b218771bb38096038dbe609cf965355

metadata.yml

@@ -1,8 +1,8 @@
 name: "salt"
 version: "0.4"
-source: "https://github.com/tcpcloud/salt-formula-salt"
+source: "https://github.com/salt-formulas/salt-formula-salt"
 dependencies:
 - name: git
-  source: "https://github.com/tcpcloud/salt-formula-git"
+  source: "https://github.com/salt-formulas/salt-formula-git"
 - name: reclass
-  source: "https://github.com/tcpcloud/salt-formula-reclass"
+  source: "https://github.com/salt-formulas/salt-formula-reclass"