Rename basebuild to builder

Rename nodes from "basebuild" to "builder" in preparation
for updating to common-packer.

Change-Id: I6ff64e3ee5c856391430296aded45d84c46de171
Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jjb/appc/appc-deployment.yaml b/jjb/appc/appc-deployment.yaml
index 2d4852f..c3f9edc 100644
--- a/jjb/appc/appc-deployment.yaml
+++ b/jjb/appc/appc-deployment.yaml
@@ -21,4 +21,4 @@
     archive-artifacts: ''
     docker-pom: 'pom.xml'
     mvn-profile: docker
-    build-node: ubuntu1604-basebuild-4c-4g
+    build-node: ubuntu1604-builder-4c-4g