issue-220 relax demo fixes

Author: dhilt

demo/app/samples/adapter/adapter-relax.component.ts

@@ -12,7 +12,7 @@ export class DemoAdapterRelaxComponent {
   demoContext = {
     scope: 'adapter',
     title: `Adapter relax`,
-    titleId: `adapter-relax`,
+    titleId: `relax`,
     noInfo: true
   } as DemoContext;
 

demo/app/samples/experimental.component.html

@@ -6,14 +6,14 @@ <h1>Angular UI Scroll Experimental Demos</h1>
   and may have some side effects or behave imperfectly.
 </p>
 <ul>
-  <li><a href="#/experimental#adapter-relax">relax adapter method</a></li>
   <li><a href="#/experimental#viewportElement-setting">viewportElement setting</a></li>
   <li><a href="#/experimental#inverse-setting">inverse setting</a></li>
   <li>fix adapter method:
     <a href="#/experimental#adapter-fix-position">position</a>,
     <a href="#/experimental#adapter-fix-updater">updater</a>,
     <a href="#/experimental#adapter-fix-scrollToItem">scroll to item</a>
   </li>
+  <li><a href="#/experimental#onBeforeClip-setting">onBeforeClip setting</a></li>
 </ul>
 <p>
   For example, <em>Adapter.fix</em> method. It has different options for different cases

demo/app/samples/home.component.html

@@ -106,6 +106,8 @@ <h5>Settings</h5>
   </div>
   <div>
     <h5>Adapter</h5>
+    <a href="#/adapter#return-value">Return value</a><br>
+    <a href="#/adapter#relax">Relax</a><br>
     <a href="#/adapter#reload">Reload</a><br/>
     <a href="#/adapter#reset">Reset</a><br/>
     <a href="#/adapter#is-loading">Is loading?</a><br/>
@@ -122,7 +124,6 @@ <h5>Adapter</h5>
   </div>
   <div>
     <h5>Experimental</h5>
-    <a href="#/experimental#adapter-relax">Adapter relax method</a><br>
     <a href="#/experimental#viewportElement-setting">viewportElement setting</a><br>
     <a href="#/experimental#inverse-setting">inverse setting</a><br>
     <a href="#/experimental#adapter-fix-position">Adapter fix-position method</a><br>