Merge branch 'button-target' of https://github.com/fotisp/apostrophe

Conflicts:
	views/slideshowEditor.html
* The boolean dropdown actually works now (apos.emit call was needed for selectize to wake up)
* Backed out data-top-offset and 150 pixel offset default for now as we'd like to discuss those
0.5.188
Merged upstream which included my new window pull request