Introduce SALT_VERSION var

As we plan to move to salt 2017.7 and at the same time
we need to check 2016.3 as well (and upgrdae path), introduce
new var SALT_VERSION with default value 2016.3

Also update repo path to salt from mirror mirantis and clened up
commented hacks

Reelated: PROD-19373

Change-Id: I3c327aa4b6369750f5bdabe1b96cb52ab5770f03
diff --git a/tcp_tests/templates/cookied-mcp-pike-dvr/salt.yaml b/tcp_tests/templates/cookied-mcp-pike-dvr/salt.yaml
index 539db8a..47c92ec 100644
--- a/tcp_tests/templates/cookied-mcp-pike-dvr/salt.yaml
+++ b/tcp_tests/templates/cookied-mcp-pike-dvr/salt.yaml
@@ -26,20 +26,6 @@
 
 {{ SHARED.MACRO_BOOTSTRAP_ALL_MINIONS() }}
 
-- description: Hack gtw node
-  cmd: salt '{{ HOSTNAME_GTW01 }}' cmd.run "ip addr del {{ SHARED.IPV4_NET_CONTROL_PREFIX }}.110/24 dev ens4; ip addr flush dev ens4";
-  node_name: {{ HOSTNAME_CFG01 }}
-  retry: {count: 1, delay: 10}
-  skip_fail: false
+{{SHARED.MACRO_CHECK_SALT_VERSION_SERVICES_ON_CFG()}}
 
-- description: Hack cmp01 node
-  cmd: salt '{{ HOSTNAME_CMP01 }}' cmd.run "ip addr del {{ SHARED.IPV4_NET_CONTROL_PREFIX }}.105/24 dev ens4; ip addr flush dev ens4";
-  node_name: {{ HOSTNAME_CFG01 }}
-  retry: {count: 1, delay: 10}
-  skip_fail: false
-
-- description: Hack cmp02 node
-  cmd: salt '{{ HOSTNAME_CMP02 }}' cmd.run "ip addr del {{ SHARED.IPV4_NET_CONTROL_PREFIX }}.106/24 dev ens4; ip addr flush dev ens4";
-  node_name: {{ HOSTNAME_CFG01 }}
-  retry: {count: 1, delay: 10}
-  skip_fail: false
+{{SHARED.MACRO_CHECK_SALT_VERSION_ON_NODES()}}