Bump version to 2.1.5

## [2.1.5] - 2020-03-07

Fix test pages

Bump version to 2.1.4

## [2.1.4] - 2020-03-07

Add back nuget icon

Bump version to 2.1.3

## [2.1.3] - 2020-03-07

New project structure release!

Bump version to 2.1.2

## [2.1.2] - 2020-02-20

New project structure release!

### Changed
- Changed project scaffolding
- Fixed docs

[2.1.2]: https://github.com/lefthandedgoat/canopy/releases/tag/v2.1.2

Cleanup suite class definition