update .gitignore

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1440946 13f79535-47bb-0310-9956-ffa450edef68
[MTOMCAT-186] Closing executable JAR does not call ServletContextListener.contextDestroyed()

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1440948 13f79535-47bb-0310-9956-ffa450edef68
reduce log noise when executing unit tests

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1440950 13f79535-47bb-0310-9956-ffa450edef68