ResolutionView: improve content description bar

Signed-off-by: Neil Bartlett <njbartlett@gmail.com>
Set cap/req icons for extender, enroute & “missing”

Signed-off-by: Neil Bartlett <njbartlett@gmail.com>
Started to clean up icons

Signed-off-by: Neil Bartlett <njbartlett@gmail.com>
Icon clean up

Signed-off-by: Neil Bartlett <njbartlett@gmail.com>