Code Review - External Push Plugin

[g1hanna]

There is no pull request available to review for this one, so here is a change comparison:

master@{80day}...master

Please review the External Push Plugin ticket in Jira carefully for all of the features this item has when performing reviews, and please add your comments to this issue. I will address them as they come in.

Additionally, feel free to play around with this plugin on your own environments to get a feel for it. Latest version is 1.0.0-beta11.

[roehlerw]

I see that you have a TODO here

You have some commented code here

Overall though I don't see any issues with the plugin. Just a few cleanup items.

[g1hanna]

@roehlerw - New changes addressing the above points have been added and tested. The commits can be viewed here:
v1.0.0-beta11...master

[g1hanna]

New changes have been added to update the plugin's JSON schema in the manifest.
v1.0.0-beta12...master