[refacto] Split common package
	- Error stuff move to error package
	- Event related classes moved to a new event package
	- HTMLUtils move to the widget package
[fix] GoogleAnnalytics : Tracked page if correct link in GA control panel[fix] GoogleAnnalytics : Tracked page if correct link in GA control panel
[fix] build.gradle eclipse classpath setup
[fix] google analytics set referrer
[fix] typo ComingSoon
[fix] Tooltip fix parent element null
[fix #19] InputDatePicker header sunday repeat twice