[editor] Support sqoop command with --query parameter

import --connect jdbc:mysql://prachi-1.vpc.cloudera.com:3306/test --username new_user --password cloudera --query 'SELECT * FROM employee' --target-dir /user/romain/employee4 --verbose 

        <sqoop xmlns="uri:oozie:sqoop-action:0.2">
            <job-traker>foo:8021</job-tracker>
            <name-node>bar:8020</name-node>
            <prepare>
                <delete path="${jobOutput}"/>
            </prepare>
            <configuration>
                <property>
                    <name>mapred.compress.map.output</name>
                    <value>true</value>
                </property>
            </configuration>
            <arg>import</arg>
            <arg>--connect</arg>
            <arg>jdbc:mysql://prachi-1.vpc.cloudera.com:3306/test</arg>
            <arg>--username</arg>
            <arg>new_user</arg>
            <arg>--password</arg>
            <arg>cloudera</arg>
            <arg>--query</arg>
            <arg>SELECT * FROM employee</arg>
           ....
        </sqoop>