[NFR] Implement "blur" event

[temuri416]

Hi Alex-D,

Thanks for trumbowyg, it rocks!

Would it be possible to introduce event handler for the case when user clicks outside WYSIWYG area?

I would like to be able to fire "save" event manually.

Cheers!

[Alex-D]

Hey!

Thanks for this idea. You can check release note to see how to use new events :)

[temuri416]

Most awesome! Thank you.