NOJIRA: fixes to deployCGIscript.py

Added checks to ensure that target directories exist (could be replaced
by changing cp to rsync?). Script now sets some permissions (not sure if
more necessary)
NOJIRA: Added x.png to webapps/extras

Added x.png to webapps/extras. This commit also include a change to
deployCGIscript.py that I'm including to avoid mucking up my repo again
Merge pull request #18 from JulianJaffe/master

NOJIRA: Added x.png to webapps/extras; small change to deployCGIscript.py