add button "CANCEL"  in addnews & editnews
add ExceptionUtil
Merge remote-tracking branch 'origin/develop' into develop
refactor Exception classes
refactor lines.jsp
change navigation template
add temporary css styles
change header template
change transportTravel, add TransportTravel class, change
getTransportByTwoStations
add simple menu styles
Merge remote-tracking branch 'origin/develop' into develop