Minor version bump and doc update

Minor version bump and doc update

update wheel package before deploy

Merge pull request hardbyte#580 from hardbyte/release-3.2.0

Release 3.2.0

Use travis stages instead of matrix (hardbyte#577)

Update job names in travis stages

Update version to alpha2 for release3.2

Update changelog for release3.2

Merge pull request hardbyte#517 from hardbyte/release-3.1.0

release 3.1.0 into develop

Merge pull request hardbyte#516 from hardbyte/release-3.1.0

Release 3.1.0