Add salt-master, python, python-yaml into deps

Also, URLs for Vcs were fixed and they reference on github.com.

Change-Id: I606b5815c30cbe90a649357d2c22bce53e9d5773
diff --git a/debian/control b/debian/control
index e8003f5..54862ad 100644
--- a/debian/control
+++ b/debian/control
@@ -2,11 +2,11 @@
 Maintainer: Ilya Kharin <ikharin@mirantis.com>
 Section: admin
 Priority: optional
-Build-Depends: debhelper (>= 9)
+Build-Depends: debhelper (>= 9), salt-master, python, python-yaml
 Standards-Version: 3.9.6
 Homepage: http://mirantis.com
-Vcs-Browser: https://gerrit.mcp.mirantis.net/gitweb?p=salt-formulas%2Fdevops-portal.git
-Vcs-Git: https://gerrit.mcp.mirantis.net/salt-formulas/devops-portal
+Vcs-Browser: https://github.com/salt-formulas/salt-formula-devops-portal
+Vcs-Git: https://github.com/salt-formulas/salt-formula-devops-portal.git
 
 Package: salt-formula-devops-portal
 Architecture: all