Adding destroy call for pinny

[scalvert]

Added destroy function.

Status: Ready to merge

Reviewers: @kpeatt @tedtate JIRA: https://mobify.atlassian.net/browse/CSOPS-948 Linked PRs: https://github.com/mobify/shade/pull/11

Changes

• added destroy function
• updated tests with destroy function

  How to test-drive this PR

• checkout this branch
• grunt test
• grunt serve and check out the example page
• in the console, call destroy on a pinny and ensure it's destroyed

[kpeatt]

Everything works here from my perspective. Would love @tedtate to chime in on this.

[tedtate]

Tests look like they are failing to me. Getting close though.

[scalvert]

Tests are passing!

[scalvert]

Tests pass for me 10/10 times locally. Seem to be running on Circle too.

[tedtate]

:+1: