add page header examples, code cleanup

Author: kyleturco

docs/app/Examples/elements/Header/Types/HeaderPageHeadersExample.js

@@ -6,8 +6,23 @@ export default class HeaderPageHeadersExample extends Component {
     return (
       <div>
         <Header.H1>
-          h1 Test
+          First Header
         </Header.H1>
+        <Header.H2>
+          Second Header
+        </Header.H2>
+        <Header.H3>
+          Third Header
+        </Header.H3>
+        <Header.H4>
+          Fourth Header
+        </Header.H4>
+        <Header.H5>
+          Fifth Header
+        </Header.H5>
+        <Header.H6>
+          Sixth Header
+        </Header.H6>
       </div>
     );
   }

src/elements/Header/Header.js

@@ -14,15 +14,12 @@ export default class Header extends Component {
     name: 'Header',
     type: META.type.element,
   };
-
   static H1 = H1;
   static H2 = H2;
   static H3 = H3;
   static H4 = H4;
   static H5 = H5;
   static H6 = H6;
-
-
   render() {
     return (
       <_Header {...this.props} _headerElement='div'/>