Merge pull request #7 from grams/gpp-syntax

Gpp syntax
Better tomcat start and stop scripts
Tomcat startup scripts
ignores
Change GPP command line to use tilde as escape character
Configurable ports for each tomcat instance
Better tomcat start and stop scripts
Tomcat startup scripts
ignores
Running Selenium on Jenkins slaves requires firefox
Merge branch 'firefox' into masterhub
xvfb-run-firefox wrapper script
ssh server in jenkins slaves
Allow Jenkins to start an sshd daemon for debugging purposes
Xvfb under supervisor
Xvfb disable access control
Do not apt-get upgrade
do not work in /tmp$
Merge pull request #9 from grams/cleanup

Cleanup
Externalize workspace