Use a standard title attribute for the control buttons
Add new button-title example
Merge pull request #2781 from fredj/button-title

Use a standard title attribute for the control buttons
Don't pass an object to goog.dom.createDom for the class name

If the second argument to goog.dom.createDom is a string, then this is
the className of the new element.
Merge pull request #2893 from fredj/simplify-createDom

Don't pass an object to goog.dom.createDom for the class name
Allow build.js task to add header
Merge pull request #2900 from tschaub/wrapper

Allow build.js task to add header.
Move font-family customization to layout.css