waynehoover/s3_direct_upload — pull request #134 by TrueniTo (2013-10-15 21:13:34+00:00)
Title: Adding support to file type whitelisting.

Made it as an option that can be explicitly added using a regular expression on initialization (just like it was done on the Screen Cast).

For example:
$("#uploader").S3Uploader
types: /(\.|\/)(gif|jpe?g|png)$/i