Remove some more references to the 90fps blockware

Use johnboiles AdafruitGFX fork While we wait for https://github.com/adafruit/Adafruit-GFX-Library/pull/370 to get merged. This also removes the 90fps example since it's no longer as relevant.

README: build status

README: Assembly video

Merge pull request #2 from johnboiles/john/fix-fireworks Fix the fireworks blockware

Untested API migrations to work with the latest esp arduino libs

Fix the fireworks blockware

Fix the fireworks blockware

blockware/fireworks

more library imports