[MCOMPILER-188] Add a flag to be able to disable incremental feature

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1447251 13f79535-47bb-0310-9956-ffa450edef68
missed to add the it

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1447252 13f79535-47bb-0310-9956-ffa450edef68