Fix following krazy2 warning types: [explicit], [endswithnewline], [doublequote_chars], [includes], [normalize], [postfixop], [spelling] See http://ebn.kde.org/krazy/reports/playground/base/kdeconnect-kde/index.html for details. SLOT/SIGNAL normalization done with Qt normalize utility: https://github.com/qtproject/qtrepotools/tree/master/util/normalize REVIEW: 124857