prevent a NPE
adding selendroid logo to render selendroid nodes with the rigt logo.
Fixing inspector issue of half displayed images/source files. This is more like a hack, but because we have a diff in the pipeline to switch to the netty server it should be fine. The webbit version we use has a bug https://github.com/webbit/webbit/issues/104 with regards to the gzip compression. That is the reason why this is swiched off in the response.