am 382f924c: am 5615ca19: docs: a lot of revision and expansion of the hello view tutorials includes new screenshots for some tutorials and a new sample images zip file

Merge commit '382f924c951ff49e9bbb48a744a45fce1ad7ccd4'

* commit '382f924c951ff49e9bbb48a744a45fce1ad7ccd4':
  docs: a lot of revision and expansion of the hello view tutorials