Merge pull request lyst#281 from maciejkula/data_builder

Data builder

Bump version to 1.14.

Merge pull request lyst#181 from maciejkula/new_version

Bump version to 1.13

Merge pull request lyst#154 from maciejkula/bump_version

Bump version to 1.12

Merge pull request lyst#144 from maciejkula/1_11_release

Release version 1.11

Merge pull request lyst#123 from maciejkula/release

Prepare for 1.10 release.

Add release to changelog.

Merge pull request lyst#43 from maciejkula/prepare_release

Prepare 1.8 release.

Bump version to 1.7.

1.6 release.