20190820.0

What's Changed

• Add system options UI (#3501) @balloob
• Allow disabling entity in entity registry (#3496) @balloob
• Migrate integrations page to TypeScript (#3500) @balloob
• Add buttons to move entities (#3499) @thomasloven
• Fix gui-editor resizing problem (#3498) @thomasloven
• Force ltr again in info panel (#3494) @yosilevy