Dashboard: refactor network widget. Refs #1671
Dashboard: refactor memory widget. Refs #1671
Added Help button to LogViewer UI module. Refs #2618 (comment#1)
Changed menu items ordering. Refs #2618 (comment#5)
Added Help button to PackageManager UI module. Refs #2618 (comment#8)
Added Help button to Packages UI module. Refs #2618 (comment#9)