Update demo/demoapp/server.py

added new global variable DEFAULT_HOST for more easier way to bind to other address than 'localhost'.
fixes #93

skip closed browsers when setting Selenium timeout
Added configuration file for Travis-CI.  This is intented to be a first line of testing with pull requests and patches and is directly tied into Github UI.  Full suite of tests are currently run by the Robot Framework Jenkins CI Server.
Merge pull request #88 from IsNoGood/patch-1

Update demo/demoapp/server.py
Merge pull request #155 from ombre42/issue93

fixes #93
Merge remote-tracking branch 'upstream/master'