219: Improve code coverage of ServiceProvider

Task-Url: #219

Author: keilw

docs/index.html

@@ -52,22 +52,21 @@
                     <li><a href="">API</a></li>
                     <li><a href="https://unitsofmeasurement.github.io/unit-api/site/apidocs/index.html">JavaDoc (API)</a></li>
                     <li><a href="https://unitsofmeasurement.github.io/indriya">Reference Implementation</a></li>
-                    <li><a href="https://jcp.org/en/jsr/detail?id=385">Detail Page</a></li>  
-                    <li class="divider"></li>                    
                     <li><a href="https://unitsofmeasurement.github.io/unit-tck">TCK (Technical Compatibility Kit)</a></li>
+                    <li><a href="https://jcp.org/en/jsr/detail?id=385">Detail Page</a></li>  
+                    <li class="divider"></li>                                        
                     <li><a href="https://unitsofmeasurement.github.io/uom-demos" target="_top">Units Demos</a></li>
                     <li><a href="https://unitsofmeasurement.gitbooks.io/uom-guide/content/">Guide Book</a></li>
+                    <li><a href="https://unitsofmeasurement.github.io/pages/references.html" target="_top">References</a></li>
                     <li class="divider"></li>
                     <li class="nav-header">Extensions</li>
                     <li><a href="https://unitsofmeasurement.github.io/uom-lib" target="_top">Units Libraries</a></li>
                     <li><a href="http://uom.si">SI Units</a></li>
                     <li><a href="http://www.uom.systems" target="_top">Unit Systems</a></li>
-                 <!---    li class="nav-header">Sandbox</li>
-                    <li><a href="sandbox.html">Sandbox</a></li -->
+                 <!---    li class="nav-header">Sandbox</li> FOR LATER USE if necessary
+                    <li><a href="sandbox.html">Sandbox</a></li>
                     <li class="divider"></li>
-                    <li class="nav-header">Additional Information</li>                    
-                    <li><a href="https://bintray.com/unitsofmeasurement">Units of Measurement on Bintray</a></li>
-                    <li><a href="https://unitsofmeasurement.github.io/pages/references.html" target="_top">References</a></li>
+                    <li class="nav-header">Additional Information</li -->                                                           
                   </ul>
                 </li>
           </ul>