Changed label propType from string to children

Author: valentijnnieman

dash_core_components/bundle.js

@@ -2435,7 +2435,8 @@
       },
       "label": {
         "type": {
-          "name": "string"
+          "name": "custom",
+          "raw": "PropTypes.children"
         },
         "required": false,
         "description": "The tab's label"

dash_core_components/metadata.json

@@ -18,7 +18,7 @@ Tab.propTypes = {
   /**
    * The tab's label
    */
-  label: PropTypes.string,
+  label: PropTypes.children,
 
   /**
    * The content of the tab - will only be displayed if this tab is selected

src/components/Tab.react.js

@@ -44,7 +44,6 @@ const EnhancedTab = ({
       }}
     >
       <span>{label}</span>
-      <span>{value}</span>
       <style jsx>{`
         .tab {
           display: inline-block;