keep online help inside of drawing

Dependencies

• [2] M6TH7VSZ rip out notion of Line_width
• [3] HOSPP2AN crisp font rendering
• [4] DXT4QTAH a few more integer coordinates
• [5] NQH7DEEW bugfix: missed rename in one file
• [6] NUCZBE77 bugfix: alignment of help screen
• [7] WTDKUACN rectangle and square shapes
• [8] VHQCNMAR several more modules

Change contents

• replacement in help.lua at line 49
  [3.8466]→[2.1996:2120](∅→∅)
  − love.graphics.rectangle('fill', Margin_left,drawing.y, App.screen.width, math.max(Drawing.pixels(drawing.h),y-drawing.y))
  [3.8466]

  [3.8578]
  + love.graphics.rectangle('fill', Margin_left,drawing.y, App.screen.width-Margin_width, math.max(Drawing.pixels(drawing.h),y-drawing.y))
• replacement in help.lua at line 128
  [3.10798]→[2.2121:2245](∅→∅)
  − love.graphics.rectangle('fill', Margin_left,drawing.y, App.screen.width, math.max(Drawing.pixels(drawing.h),y-drawing.y))
  [3.10798]

  [3.10910]
  + love.graphics.rectangle('fill', Margin_left,drawing.y, App.screen.width-Margin_width, math.max(Drawing.pixels(drawing.h),y-drawing.y))