Log Message:
Update to version 3.16.0 (released 2016/12/14)

  Command Line Tools:
    Add -block switch to dwg2pdf, dwg2bmp, dwg2svg and dwg2maptiles
  dwg2svg:
    Add -layer-attribute switch to export layer attributes (into QCAD namespace)
  dwg2bmp:
    Add -noweightmargin switch to avoid extra margin to account for lineweights
  Command line widget:
    allow for multi-line input (pasting list of coordinates for lines, \ 
polylines, splines, etc.)
  Modify:
    Explode:
      Explode block arrays into separate block references
      Explode solid fills into boundary
    Break out:
      Break out segments from self-intersecting polylines
  Misc:
    Highlight start point of lines, arcs, ellipse arcs, polylines, splines when \ 
selected
  Bug fixes:
    FS#1461 - Zoom in / out: not centred under mouse cursor if Retina resolution \ 
is enabled for graphics view
    FS#1466 - Toolbars on second screen cannot be accessed if second screen is \ 
detached
    FS#1474 - Dimension > Leader: changing options breaks tool
    FS#1476 - Draw > Circle > 2 Tangents and Radius: exception with arcs \ 
and circle entities
    FS#1479 - Modify > Explode: too many segments for splines with large tolerance
    FS#1481 - Block List: update changes selected item
    FS#1491 - Layer > Create Layer from Selection: cancelling dialog fails
    FS#1497 - Autosnap: hangs with very complex splines
    FS#1508 - QCAD CE: Subscript and superscript formatting lost when file re-opened
    FS#1509 - Ellipse / circle, ellipse / ellipse intersections

Also as part of this update, I have removed the example plugins that do nothing (as
on the QCAD forum, the author states that these may slow down the operation)