Since #3885, the GreenFlagOverlay has been hidden by the Stage component
instead of having to hide itself if the project has been started. Thus
there's no need for GreenFlagOverlay to know whether the project has
been started.

Update render and svg-renderer with changes that Dependabot missed

Merge pull request #5859 from LLK/dependabot/npm_and_yarn/scratch-render-0.1.0-prerelease.20200604210444

Bumps [scratch-render](https://github.com/LLK/scratch-render) from 0.1.0-prerelease.20200602200702 to 0.1.0-prerelease.20200604210444.
- [Release notes](https://github.com/LLK/scratch-render/releases)
- [Commits](https://github.com/LLK/scratch-render/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5868 from LLK/dependabot/npm_and_yarn/scratch-blocks-0.1.0-prerelease.20200609135544

Bumps [scratch-blocks](https://github.com/LLK/scratch-blocks) from 0.1.0-prerelease.20200528193139 to 0.1.0-prerelease.20200609135544.
- [Release notes](https://github.com/LLK/scratch-blocks/releases)
- [Commits](https://github.com/LLK/scratch-blocks/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Update contributor guidelines

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4. **This update includes a security fix.**
- [Release notes](https://github.com/faye/websocket-extensions-node/releases)
- [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md)
- [Commits](https://github.com/faye/websocket-extensions-node/compare/0.1.3...0.1.4

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Stop building gh pages branches for dependabot 

Merge pull request #5858 from LLK/dependabot/npm_and_yarn/scratch-svg-renderer-0.2.0-prerelease.20200604203226

Bumps [scratch-svg-renderer](https://github.com/LLK/scratch-svg-renderer) from 0.2.0-prerelease.20200507183648 to 0.2.0-prerelease.20200604203226.
- [Release notes](https://github.com/LLK/scratch-svg-renderer/releases)
- [Commits](https://github.com/LLK/scratch-svg-renderer/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5857 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200604192759

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200604013720 to 0.2.0-prerelease.20200604192759.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5854 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200604013720

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200603154236 to 0.2.0-prerelease.20200604013720.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5851 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200603154236

Bump scratch-paint from 0.2.0-prerelease.20200602154954 to 0.2.0-prerelease.20200603154236

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200602154954 to 0.2.0-prerelease.20200603154236.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [scratch-l10n](https://github.com/LLK/scratch-l10n) from 3.9.20200528181319 to 3.9.20200603151351.
- [Release notes](https://github.com/LLK/scratch-l10n/releases)
- [Commits](https://github.com/LLK/scratch-l10n/compare/3.9.20200528181319...3.9.20200603151351

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5846 from LLK/dependabot/npm_and_yarn/scratch-render-0.1.0-prerelease.20200602200702

Bumps [scratch-render](https://github.com/LLK/scratch-render) from 0.1.0-prerelease.20200512203149 to 0.1.0-prerelease.20200602200702.
- [Release notes](https://github.com/LLK/scratch-render/releases)
- [Commits](https://github.com/LLK/scratch-render/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5845 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200602154954

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200602002610 to 0.2.0-prerelease.20200602154954.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5842 from LLK/dependabot/npm_and_yarn/scratch-vm-0.2.0-prerelease.20200602151852

Bumps [scratch-vm](https://github.com/LLK/scratch-vm) from 0.2.0-prerelease.20200527195112 to 0.2.0-prerelease.20200602151852.
- [Release notes](https://github.com/LLK/scratch-vm/releases)
- [Commits](https://github.com/LLK/scratch-vm/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Remove box-sizing: content-box from sprite highlight box CSS

Merge pull request #5841 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200602002610

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200529184518 to 0.2.0-prerelease.20200602002610.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.6.4 to 7.10.2.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.10.2/packages/babel-core

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.10.0 to 7.10.2.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.10.2/packages/babel-preset-env

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5833 from LLK/dependabot/npm_and_yarn/scratch-paint-0.2.0-prerelease.20200529184518

Bumps [scratch-paint](https://github.com/LLK/scratch-paint) from 0.2.0-prerelease.20200519194740 to 0.2.0-prerelease.20200529184518.
- [Release notes](https://github.com/LLK/scratch-paint/releases)
- [Commits](https://github.com/LLK/scratch-paint/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #5829 from LLK/dependabot/npm_and_yarn/scratch-blocks-0.1.0-prerelease.20200528193139