Update Stencil and cleanup package dependencies

[david-poindexter]

Resolves #13

• Updates @stencil/core and moves to devDependencies
• Updates @stencil/sass and moves to devDependencies
• Updates @stencil/utils and moves to devDependencies
• Removes @stencil/dev-server since it is no longer needed
• Removes server since it is no longer needed
• Updates scripts in package.json to use latest recommended by Stencil
• Necessary updates to support ES2017
• Convert stecil.config.js to TypeScript
• Update components to import h
• Move examples to src and update stencil.config.ts so that examples load and work automatically when running npm run start
• Other misc changes in support of Stencil upgrade