Ignoring Ghostdriver.log

Ignoring Ghostdriver.log
Fixes problems with Chrome 37 under Windows 7.
Add favicon.icon to html tests folders.
Merge branch 'master' of https://github.com/HelioGuilherme66/robotframework-selenium2library into expand_press_key
Fix testserver chrome 37 problem in windows.
Adds favicon.ico to html tests.