Madam

* Added support for MPEG2 transport streams to FFmpegProcessor (thanks to ojomio).
* Changed internal handling of MIME types to be case-insensitive with new MimeType class.
* Fixed metadata processing of unknown streams (other than video and audio) in FFmpegProcessor.

* Fixed Madam.read() to return JPEG asset with correct metadata.
* Improved auto orientation operator to return identical media asset for input without orientation.
* Improved description when image conversion fails.
* Orientation metadata from Exif is preferred over IPTC.

* Added support for AVI videos (thanks ojomio).
* Fixed Madam.read() to return JPEG asset with correct metadata.
* Fixed resize and transpose operators to not implicitly convert to JPEG (resolves issue 70).
* Improved auto orientation operator to return identical media asset for input without orientation.
* Improved description when image conversion fails.
* Orientation metadata from Exif is preferred over IPTC.

* Improved AssetStorage to use dict-like interface (resolves issue 67).
* Improved Processor.read() and Processor.can_read() to be public (resolves issue 68).
* Improved mapping of Exif metadata fields.
* Improved SVGProcessor.read() to fail with invalid input.