Ignore commits on the gh-pages branch for CI

Commits to gh-pages "fail" on CircleCI since there's no config on the branch. Skip these commits using a tag I can't write here because I do want CI to run on this commit :)

Update scratch-paint to the latest version 

Update scratch-blocks to the latest version 

Update scratch-l10n to the latest version 

Update paint

Update scratch-paint to the latest version 

Add note about cloning to README

Skip blocks “renaming costume wtih special character” test

Add back rounded gradient strokes for 2.0 projects

Update paint to roll back centering tool

Revert "refactor SB* file uploader into top-level HOC"

Resync package-lock for scratch-paint

update paint'

Update blocks and l10n

reduce project state machine example image file size

Project state diagram

Revert "Update dependencies"

This is to remove the latest svg-renderer change, "add rounded edges to gradient strokes", because we would like to come up with a more comprehensive testing plan before adding it.

Greenkeeper/mkdirp 1.0.3

Greenkeeper/chromedriver 80.0.0