switch to parent/pom.xml 4.1.0.Alpha2
JBIDE-13667 BrowserSim: preferences refactoring

changing preferences structure
JBIDE-13735 BrowserSim: store preferences in xml

new preferences format implemented
JBIDE-13803 BrowserSim: browsersim doesn't update skin when it is changed via preferences

fix added
JBIDE-13774 BrowserSim: remember last device orientation

functionality implemented