Jar deployment to local file instead of HDFS directly

https://issues.cask.co/browse/CDAP-91
Bamboo build is green: https://builds.cask.co/browse/CDAP-DUT119
This is so that this config can be used in clusters, where master cannot just write to ``data``. I also changed ``cdap-site.xml`` so that in standalone, the config still points to ``data``.