Move proxy to port 8081, address resolves to 10.0.1.238

The address proxy-ch.typesafe.com, on the machine that
executes the jenkins job (a1), resolves to 10.0.1.238 (a8).
The artifactory proxy is now reachable via http on port
8081, but only on the internal address 10.0.1.238, from
the cluster machines (a0..a8). From other addresses, the
artifactory instance remains accessible via https only,
on port 8082.

This configuration change is done in order to work around
an sbt issue that causes NPEs in certain cases when using
https-enabled resolvers.

Author: Antonio Cunei

validator.dbuild

@@ -68,8 +68,8 @@ vars: {
 
 build: [ ${?vars.sbtBuild212}, ${?vars.sbtBuild211}, ${?vars.sbtBuild210} ]
 
-//options.resolvers: {
-//  "R0000" : "local"
-//  "R0001" : "proxy-ch-maven: https://proxy-ch.typesafe.com:8082/artifactory/repo"
-//  "R0002" : "proxy-ch-ivy: https://proxy-ch.typesafe.com:8082/artifactory/repo, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]"
-//}
+options.resolvers: {
+  "R0000" : "local"
+  "R0001" : "proxy-ch-maven: http://proxy-ch.typesafe.com:8081/artifactory/repo"
+  "R0002" : "proxy-ch-ivy: http://proxy-ch.typesafe.com:8081/artifactory/repo, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]"
+}