WangYan

add example for sapjcoclient

@oscerd, @zhfeng Ready for review , thanks :-)

@oscerd If i change it as provided as below, will it be O.K solution for you? ``` mvn install:install-file -DgroupId=com.github -DartifactId=com.sap.conn.jco.sapjco3 -Dversion=3.0.11 -Dpackaging=jar -Dfile=lib/sapjco3.jar mvn install:install-file -DgroupId=com.github -DartifactId=com.sap.conn.jco.sapidoc3 -Dversion=3.0.11 -Dpackaging=jar...