Make CI use cadquery i.s.o. freecad conda channel

[adam-urbanczyk]

Trying to solve #258

[AppVeyorBot]

✅ Build cadquery 1.0.31 completed (commit cee77be63c by @adam-urbanczyk)

[codecov-io]

Codecov Report

Merging #259 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #259   +/-   ##
=======================================
  Coverage   92.74%   92.74%           
=======================================
  Files          10       10           
  Lines        2206     2206           
=======================================
  Hits         2046     2046           
  Misses        160      160

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[coveralls]

Coverage remained the same at 92.203% when pulling cf695f6 on adam-urbanczyk:master into c4df65c on dcowden:master.

[adam-urbanczyk]

This is ready to merge and it will solve #258 . From now on we have our own anaconda channel with packages needed for testing (and one day with a cadquery package cf. #169 )

[jmwright]

Thanks for fixing this @adam-urbanczyk !