Added third server also to conf.py (exist already in conf_vpn.py)
Added check for empty command
Adding Example12, Example13 and Example18 into testExamples.sh
Making Example18 compatible with testing suite (testExamples.sh)
Adding Example12, Example13 and Example18 into testExamples.sh
Making graphical output in Example13 optional
Example13 converted to workflow class
RemoteApplication: terminate method can be called multiple times