added nginx dev repo

ee/core/variables.py

@@ -88,15 +88,22 @@ class EEVariables():
     if ee_platform_codename == 'precise':
         ee_nginx_repo = ("deb http://download.opensuse.org/repositories/home:"
                          "/rtCamp:/EasyEngine/xUbuntu_12.04/ /")
+        ee_nginx_dev_repo = ("deb http://download.opensuse.org/repositories/home:"
+                             "/rtCamp:/EasyEngine-dev/xUbuntu_12.04/ /")
     elif ee_platform_codename == 'trusty':
         ee_nginx_repo = ("deb http://download.opensuse.org/repositories/home:"
                          "/rtCamp:/EasyEngine/xUbuntu_14.04/ /")
+        ee_nginx_dev_repo = ("deb http://download.opensuse.org/repositories/home:"
+                             "/rtCamp:/EasyEngine-dev/xUbuntu_14.04/ /")
     elif ee_platform_codename == 'wheezy':
         ee_nginx_repo = ("deb http://download.opensuse.org/repositories/home:"
                          "/rtCamp:/EasyEngine/Debian_7.0/ /")
+        ee_nginx_dev_repo = None
     elif ee_platform_codename == 'jessie':
         ee_nginx_repo = ("deb http://download.opensuse.org/repositories/home:"
                          "/rtCamp:/EasyEngine/Debian_8.0/ /")
+        ee_nginx_dev_repo = None
+
 
     ee_nginx = ["nginx-custom", "nginx-common"]
     ee_nginx_key = '3050AC3CD2AE6F03'