Support multiple MIME types on clipboard (lp:#1778357)
Original report created by Seth Hillbrand (sethh)
Cut/Copy functions in all applications should provide multiple MIME formats
for interacting with other applications (and instances of KiCad).
Example:
Copy from Eeschema should have 3 MIME formats:
application/kicad: A serialized format of the items copied
image/svg: An SVG image of the selected items
image/png: A PNG image of the selected items
All three are provided at the same time to the system clipboard (it is up
to the pasting application which to use)
Pasting takes into KiCad allows, in order,
1) serialized format
2) image/png or other bitmap
3) vector lines from dxf/svg/etc if into pcbnew