Add sample files from Lytro Desktop version 2.0
Handle new kinds of processed data

As generated by Lytro Lightfield Engine 10
lfp_picture_*: Accept multiple input files

Better error messages for unsupported STK.LFP files
Update copyright notices
lfp_reader: Split lfp_file to lfp_picture and lfp_storage
Move all picture processing methods to LfpPictureFile

* Add test/scripts_picture.sh
Implement H264-based refocus-stack using GStreamer
lfp_picture: Export EDOF/Parallax images
Add lfp_file_get_chunk, test/scripts_file.sh
Add test/lib_gst_h264_splitter.sh
Implement EDOF/Parallax picture view
scripts: Better exit statuses
lfp_picture_viewer: Handle mouse drag events
lfp_picture: Add cache for PIL.Image instances
Add test/scripts_storage.sh
lfp_picture_viewer: Error if no refocus stack exists
viewer: Implement image resize and size-based caching
scripts: Replace exit() calls with sys.exit()
Merge branch 'hotfix/1.4.5' into develop
Update README and setup.py