this allows tag values to contain spaces, which is up to your own micropub server to handle appropriately.

closes #95 and replaces #96

fixes #48

Quill corrects the photo rotation based on exif data since iOS tends to take landscape photos and set the rotation bit when holding it in portrait mode.

* Supports a bookmarklet to create "like" posts.
* Beginning a "settings" page to connect silo profiles for POSSEing likes to twitter, facebook and instagram