both Ucamco and Eurocircuits.
Update message in plot dialog about best solder mask clearance value.
Show a warning message in plot dialog if these values are no 0.
From master branch.
When the solder mask min size is > 0, pads are no longer flashed or regions items.
Good Gerber files need pads flashed or regions items.
Non 0 solder mask min size is reserved to special cases (home made PCBs for instance)
From master branch.
The previous clearance values were equivalent to the default copper
clearance, which could cause issues for users who didn't adjust the
values and had alignment errors at the board house. New values default
to typical dry film minimums.
( cherry-picked from 2c5154c63 )
Fixes: lp:1786765
* https://bugs.launchpad.net/kicad/+bug/1786765
Also move courtyard testing flags to BoardSettings API. Both are
still stored in the config until we decide where they go in order
to prevent prematurely disturbing the board file format.
Fixes: lp:684067
* https://bugs.launchpad.net/kicad/+bug/684067
(cherry picked from commit 5399f60)