Update versions for 0.5.0 release.
Merge branch 'release/0.6.0'
Merge branch 'release/0.6.1'
Merge branch 'release/0.6.2'
Merge branch 'release/0.6.3'
Merge branch 'release/0.7.0'
Merge branch 'release/0.8.0'
Merge branch 'release/0.9.0'
Merge branch 'release/0.9.1'
Merge branch 'release/0.9.2'
Merge branch 'release/1.0.0'