Migrate qa-test-pullrequest ant task to maven

#!/bin/bash
set +x

#export JAVA_HOME=/home/jenkins/tools/java/jdk1.7.0-64
export ANT_HOME=/home/jenkins/tools/ant/apache-ant-1.9.9

#export PATH=$PATH:$JAVA_HOME/bin:$ANT_HOME/bin:
export PATH=$PATH:$LATEST1_8_HOME/bin:$ANT_HOME/bin:

export PATCH_DIR=${WORKSPACE}/patchprocess
if [ ! -e "$PATCH_DIR" ] ; then
    mkdir -p $PATCH_DIR
fi

pwd
git status
git rev-parse HEAD

which java
java -version
ulimit -a

env

${ANT_HOME}/bin/ant \
        -Dpatch.file=foobar \
        -Dscratch.dir=$PATCH_DIR \
        -Dps.cmd=/bin/ps \
        -Dwget.cmd=/usr/bin/wget \
        -Djiracli.cmd=/home/jenkins/tools/jiracli/latest/jira.sh \
        -Dgit.cmd=/usr/bin/git \
        -Dgrep.cmd=/bin/grep \
        -Dpatch.cmd=/usr/bin/patch \
        -Dfindbugs.home=/home/jenkins/tools/findbugs/latest/ \
        -Dforrest.home=/home/jenkins/tools/forrest/latest/ \
        -Djira.passwd=xxxxxxxx \
        -Djava5.home=/home/jenkins/tools/java5/latest/ \
        -Dcurl.cmd=/usr/bin/curl \
        -Dtest.junit.maxmem=2g \
        qa-test-pullrequest