Changes to xSQLServer

- The complete examples that no longer was accurate and referenced resources
  that no longer exist was removed. Accurate examples can be found in each
  specific resource example folder. Examples for installing Failover Cluster
  can be found in the resource examples folders in the xFailOverCluster
  resource module (issue dsccommunity#462).
- A README.md was created under the examples folder to be used as reference how
  to installed certain scenarios (issue dsccommunity#462).
- Removed the specific common test for examples in this repository and instead
  opt-in for the common test in the DscResource.Tests repository (issue dsccommunity#669).

.MetaTestOptIn.json

@@ -1,5 +1,6 @@
 [
      "Common Tests - Validate Markdown Files",
      "Common Tests - Validate Module Files",
-     "Common Tests - Validate Script Files"
+     "Common Tests - Validate Script Files",
+     "Common Tests - Validate Example Files"
     ]

Examples/README.md

@@ -0,0 +1,18 @@
+# Examples
+
+This will help to understand how to setup certain scenarios with xSQLServer resource module.
+
+## Resource examples
+
+This is the examples for each individual resource.
+
+[xSQLServerAlias](/xSQLServerAlias)
+
+## Setting up a Failover Cluster
+
+This will explain how to setup high availability using a two node failover cluster.
+
+## Setting up a Always On Availability Groups
+
+This will explain how to setup high availability using AlwaysOn Availability Group.
+AlwaysOn Availability Group will be configured in a two node configuration.