fit quantized size windows into the desired location, centred vertically and horizontally
properly detect quantized sized windows when doing half to one third to two thirds
remove SpectacleWindowCalculationFudgeFactor
rewrite quantized size adjustments to run only if necessary
add failsafe around size adjustment
oops, remove debug
reinstate blocks on moving for undo/redo
adjust visible frame for bottom dock gap that may be present on other monitors
Merge remote-tracking branch 'origin/master' into quantized-height-width-window-improvements
Merge branch 'quantized-height-width-window-improvements' into consider-minimised-dock
Merge remote-tracking branch 'origin/master' into quantized-height-width-window-improvements
remove SpectacleWindowCalculationFudgeFactor for thirds detection, add common CGRectCentredWithin for current position detection
Merge remote-tracking branch 'origin/consider-minimised-dock' into quantized-height-width-window-improvements
Revert "Merge remote-tracking branch 'origin/consider-minimised-dock' into quantized-height-width-window-improvements"

This reverts commit 86259217c2aac7cf26620f257e165408c2a5f3b6, reversing
changes made to 8d9525e462bc292d44c9ad79c2cbf3b6626a5c10.
Merge pull request #250 from alex-courtis/quantized-height-width-window-improvements

Quantized height width window improvements