[Feature] Added failure only notifications

[fabiopelosin]

See #11.

[sarahhodne]

Looks good, I'm just curious about the notification activation change.

There are some things I want to change, like refactoring the part in -[AppDelegate shouldShowNotificationFor:] into a filter, but I'll base those changes on your commit. This should then be marked as merged once I push up those changes.

[fabiopelosin]

I guessed that you would have wanted it as a filter. However it is not clear to me if you intend to use a single filter or combine multiple filters to compute whether the notification should be displayed, and thus I went for the basic approach 😄.

[sarahhodne]

I need to add a different kind of filter – a BuildFilter – and then a way to add combinations of filters. I have it mostly planned out already, I was just waiting to implement it.

Don't worry about the fact that the pull request can't be merged automatically—I have the conflict resolved locally.

[fabiopelosin]

Don't worry about the fact that the pull request can't be merged automatically—I have the conflict resolved locally.

Cool to hear that. I didn't noticed the conflict, and I'm not sure how I generated it, I thought I started from the tip of master.

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Btw, a nit pick: it would be great if the T of the menu bar icon was gray or transparent. Imo the white fill pops out a little too much.

[sarahhodne]

Cool to hear that. I didn't noticed the conflict, and I'm not sure how I generated it, I thought I started from the tip of master.

You did, I just had some local commits that I forgot to push.