FritzHerbers

@mmalerba (being assigned for this issue) @crisbeto (for your recent commits of Stepper) There is a need for an API for Stepper. The discussion is stalled atm. I hope you...

Made a change to the CDK stepper source working for 6.4.7 and 7-beta, see diff: [stepper.zip](https://github.com/angular/material2/files/2410712/stepper.zip) Build with: `npm run build` In your project use a npm link in `package.json`...

@oxmap Thx for adding sidebar collapse. I have the following enhancement ideas: When sidebar is collapsed the icon should change to ">>". Main menus with submenus do open, but the...