adding properties file to simplify ant use in Bamboo CI build

ci-build.properties

@@ -0,0 +1,6 @@
+# properties used by Bamboo build plan at http://build.springframework.org/build/admin/buildConfiguration.action?buildKey=SPR-TRUNKQUICK
+# run in conjunction with ANT_OPTS='-XX:MaxPermSize=512m -Xmx1024m'
+compiler.args=-enableJavadoc -warn:none
+java.awt.headless=true
+ci.build=true
+test.vm.args=-XX:MaxPermSize=512m -Xmx1024m