update codebase for local javafx jnlp installer

right now the local copy of the installer built cannot be tested

http://jfx.us.oracle.com/hudson/view/2.2/job/2.2-deploy-scrum/label=windows-i586-14/lastSuccessfulBuild/artifact/artifacts/deployed/jnlp-installer/local/

the jnlp file there has wrong code base - it needs local dir at the end