Bump version to 1.0.0 and update CHANGES.rst

Bump verison to 1.0b30

Bump version to 1.0b29 and update changelog

Bump version to 1.0b28

Bump version to 1.0b27

Bump version to 1.0b26 and update changelog

Bump version to v1.0b15

Bump version to 1.0dev24

Bump version 1.0b23

Merge branch 'master' of github.com:KeplerGO/lightkurve