Remove "Check temp" button

This button is almost useless, takes space, can be easily replaced by a
custom button if really needed.
Add spacers to main toolbar to group buttons

(also expand toolbar in compact/standard modes)
Remove duplicated settings (there are already in pronsole)
Make monitor setting visible in Settings dialog
Remove "Monitor" checkbox from controls and expand temp graph

This option is available in the Settings panel and is not likely to
change often, so we can use the free space there for other means.
Add buttons to hide controls/log panels
Whitespace
Import new soruces for xyz controls
Update xyz buttons code to support new graphics
Remove debug leftover
Update Z controls
Import mini controls
Statically specify Z move distances
Minor rework to XYButtons to prepare mini controls
Add mini control widgets
Update svg (minor)
New super minor svg change
Derive ZButtons size from background image
Add some documentation markers to add_extra_controls
Update homeButtonClicked to reflect changes to XYButtons