Bump version to 0.5.0

Use event.clientX instead of just event.x, a property that doesn't ex…

…ist on some browsers

Fixes chartjs#62

See https://developer.mozilla.org/en/docs/Web/Events/click

Bump version to v0.4.4

Bump version to v0.4.4

Fixup f046289

Fixes Javascript error if there are multiple charts on the same page

Fixup f046289

Fixes Javascript error if there are multiple charts on the same page

Bump version to v0.4.1

Rename to chartjs-plugin-zoom to follow other plugins

v0.3.0 release

v0.2.0 release