Merge pull request whitesmith#140 from whitesmith/bump-to-2.9

Bump to v2.9.0

Merge pull request whitesmith#132 from whitesmith/bump-to-2-8

Bump to v2.8.0

Merge pull request whitesmith#120 from whitesmith/bump-version-to-2.7.1

Bump version to 2.7.1.

Version 2.7.0

Merge pull request whitesmith#105 from whitesmith/bump-version-to-2.6.0

Bump version to 2.6.0.

Merge pull request whitesmith#102 from whitesmith/bump-version-to-2.5.0

Bump version to 2.5.0.

Merge pull request whitesmith#87 from whitesmith/bump-reek-to-3-8-0-a…

…nd-rubycritic-to-2-4-1

Bump Reek to 3.8.0 and RubyCritic to 2.4.1.

Merge pull request whitesmith#86 from whitesmith/bump-version-to-2-4-0

Bump version to 2.4.0.

Merge pull request whitesmith#84 from whitesmith/bump-to-2.3

Bump version to 2.3.0.

Merge pull request whitesmith#80 from whitesmith/bump-version-to-2.2

Bump version to 2.2.0.