Merge branch 'gwsumm' into 'master'

Add gwsumm to conda build

See merge request lscsoft/conda!35
2 jobs for master in 58 minutes and 43 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #318511
macos_highsierra
test-macos

00:20:00

 
  Build
passed #318512
build-latest

00:38:43