Use Jenkinsfile for builds (#6)

Jenkinsfile

@@ -0,0 +1,8 @@
+@Library('pipeline-library') _
+
+buildModule {
+	// defaults:
+	//nodeVersion = '4.7.3' // Must have version set up on Jenkins master before it can be changed
+	//sdkVersion = '6.0.3.GA'
+	//androidAPILevel = '23' // if changed, must install on build nodes
+}