Bump version number and string for 0.6.0RC1
Merge branch 'develop' into release-0.6.0
Bump version number and string for 0.6.0RC2
Merge branch 'develop' into release-0.6.0
Bump just version number for 0.6.0RC2.
Merge branch 'develop' into release-0.6.0
Changelog for 0.6.0
Merge branch 'develop' into release-0.6.0
Bump version for 0.6.0 "the persistent" release
Merge branch 'release-0.6.0' into develop