Updated Bootstrap 3 to RC2.
Updated HTML markup for Bootstrap 3 RC2.
Adjusted navigation markup according to the Bootstrap versions.
Append files by default.
Updated to Bootstrap 3 release version.

Removed Font Awesome in favor of using Glyphicons included in Bootstrap
3.
Updated jQuery version to 1.10.2.
Updated optional dependencies section.
Updated package version.
Updated alert class for Bootstrap 3.
Display a cancel button if the server-side validation failed. Fixes #2538

Replace label-important with label-danger (Bootstrap 3 change).
Display progress for each file in a file upload request.
Work on a copy of the headers in _initXHRData

If someone passes a "headers" options to fileupload(), this object get overwritten across multiple files upload because the same object is being re-used.
Merge pull request #2550 from rslinckx/patch-1

Work on a copy of the headers in _initXHRData
Refactored last merge and updated version number.
Updated package version.
Check if a context node is given.
Updated package version.
Minor event handler refactoring.
Allow to define the dropEffect and preventDefault handling in the dragover handler. Closes #2557