3.5

Issue #62: upgrade to checkstyle 7.5
Issue #61: set sonar login by token, secure token does not work for some reason
Issue #49: fix for 'Missing semicolon'
Issue #61: set sonar url
Issue #61: make sonar public profile to allow binaries be hosted at Sonar Software Update Center
Issue #56: all html pages that has http lnks were updated by content from official html web site