Announce explicitly about help wanted

Author: AlexKVal

docs/assets/docs.css

@@ -272,9 +272,6 @@ body {
 }
 
 @media (min-width: 768px) {
-  .bs-docs-masthead {
-    padding: 80px 0;
-  }
   .bs-docs-masthead h1 {
     font-size: 60px;
   }

docs/src/HomePage.js

@@ -5,6 +5,7 @@ import PageFooter from './PageFooter';
 import Grid from '../../src/Grid';
 import Alert from '../../src/Alert';
 import Glyphicon from '../../src/Glyphicon';
+import Label from '../../src/Label';
 
 export default class HomePage extends React.Component{
   render() {
@@ -20,14 +21,17 @@ export default class HomePage extends React.Component{
         </main>
 
         <Grid>
+          <Alert bsStyle='warning'>
+            <p><Glyphicon glyph='bullhorn' /> We are actively working to reach a 1.0.0 release, and we would love your help to get there.</p>
+            <p><Glyphicon glyph='check' /> Check out the <a href="https://github.com/react-bootstrap/react-bootstrap/wiki#100-roadmap">1.0.0 Roadmap</a> and <a href="https://github.com/react-bootstrap/react-bootstrap/blob/master/CONTRIBUTING.md">Contributing Guidelines</a> to see where you can help out.</p>
+            <p><Glyphicon glyph='sunglasses' /> A great place to start is any <a target='_blank' href="https://github.com/react-bootstrap/react-bootstrap/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22">issues</a> with a <Label bsStyle='success'>help-wanted</Label> label.</p>
+            <p><Glyphicon glyph='ok' /> We are open to pull requests that address bugs, improve documentation, enhance accessibility,</p>
+            <p>add test coverage, or bring us closer to feature parity with <a target='_blank' href='http://getbootstrap.com/'>Bootstrap</a>.</p>
+            <p><Glyphicon glyph='user' /> We actively seek to invite frequent pull request authors to join the organization. <Glyphicon glyph='thumbs-up' /></p>
+          </Alert>
           <Alert bsStyle='danger'>
-            <Glyphicon glyph='warning-sign' /> The project is under active
-            development, and APIs will change. Check out the <a
-            href='https://github.com/react-bootstrap/react-bootstrap/wiki#100-roadmap'>1.0.0
-            Roadmap</a> and <a
-            href='https://github.com/react-bootstrap/react-bootstrap/blob/master/CONTRIBUTING.md'>Contributing
-            Guidelines</a> to see where you can help out. Prior to the 1.0.0 release, breaking changes should
-            result in a Minor version bump.
+            <p><Glyphicon glyph='warning-sign' /> The project is under active development, and APIs will change. </p>
+            <p><Glyphicon glyph='bullhorn' /> Prior to the 1.0.0 release, breaking changes should result in a Minor version bump.</p>
           </Alert>
         </Grid>