Will optionally watch for a new Issue object
Will optionally watch for a new Issue object

This is useful/needed on the single Issue view mode whereby the Issue will change but the directive WILL NOT be reloaded (i.e. `init()` is not called). By watching `issue` we simply trigger `init()` to load comments and labels :)

roberthodgen/thought-jot,roberthodgen/thought-jot,roberthodgen/thought-jot