Add parameter to cloneNode to appease DOM level 3 browsers.
Replaced Bootstrap Image Gallery with the new blueimp Gallery.

https://github.com/blueimp/Gallery
Use data-ng-click instead of ng-click for HTML validity.
Define the titleProperty as "name" for the image gallery to display the file name as title.
Only provide the $cancel method for the first file in a selection if singleFileUploads is false. Fixes #2378.
Updated package version.
Updated library paths.

Added bower.json.