Make ITs JDK9 ready. maven-ant-plugin uses value of source/target parameter of maven-compiler-plugin, so can't use expressions here.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1705332 13f79535-47bb-0310-9956-ffa450edef68
7 files changed
tree: cd260a936d1cd408486ede587b3fef99d57c3dbd
  1. src/
  2. deploySite.sh
  3. pom.xml