Canvas Playground v0.2.0

Bump version

Canvas Playground v0.1.3

Add more Canvas checks and optional override

Canvas Playground v0.1.2

Fix bookmarklet not being on domain root for real this time

Canvas Playground v0.1.1

Fix bookmarklet not being on domain root, add installation help url

Canvas Playground v0.1.0

Merge branch 'master' of https://github.com/TheTechdoodle/canvas-play…