LPS-41213 - upgrade c3p0 to version 0.9.2.1

c3p0 versoin 0.9.2.1 depends on mchange-commons-java.jar please refer to following doc. That is why I add mchange-commons-java.jar
https://github.com/swaldman/c3p0/blob/master/src/dist-static/RELEASE_NOTES-c3p0-0.9.2