add mz-samples for 'show' block with audio and text files (descriptions)
add mz-sample for 'show' block with camera input
export all mz-samples again (batch 1)
export all mz-samples again (batch 2)
export all mz-samples again (batch 3, last batch)
export again all samples that had already been exported
export two basic samples, and all sample cards
export sample basic-intro-1.ta
export all graphics samples