Rename file to match the default name given by greasemonkey
Remove accidentally committed test value
Update download URL to reflect new filename
Switch to requiring the smaller runtime handlebars.js that doesn't include the template parser (and thus does not appear to violate the eval script CRM directive); remove the huge template string and switch over to using the pre-compiled template
Only check labels in the label select menu that are actually applied to this issue; this will become more relevant once I finish fixing up the styling.