Lots of updates!

* Color ID and comment counts on My Obs when there are unviewed updates
* Camera shutter effect on Standard Camera
* Loading effect for new photo thumbnails on Standard Camera
* Bugfix: back button from Obs Edit returns to Obs Detail instead of My Obs
* Add close button to Login screen
* Preview on Standard Camera remains flush with the top of the screen
* Added upload progress bar to upload bottom sheet
* Brought the bulk uploader closer to spec
