Update docs (#200)

This is a documentation-only update so automerging.  Please review the commit if there are any follow-ups requested.

* Update .gitignore for docfx genertated files

* Update documenation (part 1)

* Update docs and add some samples

* More doc updates

docs/samples/smo/net45/Scripting/Program.cs

@@ -0,0 +1,45 @@
+using System;
+using Microsoft.SqlServer.Management.Smo;
+using Microsoft.SqlServer.Management.Sdk.Sfc;
+
+namespace Microsoft.SqlServer.Management.SmoSdkSamples
+{
+    // This application demonstrates how to script out a sample database without dependencies and iterate through the list to display the results.
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            // Connect to the local, default instance of SQL Server.
+            Smo.Server srv = new Smo.Server();
+	        // database name
+	    	Console.WriteLine("Enter database name for scripting:"); 
+            string dbName = Console.ReadLine(); 
+            // Reference the database.    
+            Database db = srv.Databases[dbName];
+            // Define a Scripter object and set the required scripting options.   
+            Scripter scripter = new Scripter(srv);
+            scripter.Options.ScriptDrops = false;
+            // To include indexes  
+            scripter.Options.Indexes = true;
+            // to include referential constraints in the script 
+            scripter.Options.DriAllConstraints = true;    
+            // Iterate through the tables in database and script each one. Display the script.     
+            foreach (Table tb in db.Tables)
+            {
+                // check if the table is not a system table  
+                if (tb.IsSystemObject == false)
+                {
+                    Console.WriteLine("-- Scripting for table " + tb.Name);
+                    // Generating script for table tb  
+                    System.Collections.Specialized.StringCollection sc = scripter.Script(new Urn[] { tb.Urn });
+                    foreach (string st in sc)
+                    {
+                        Console.WriteLine(st);
+                    }
+                    Console.WriteLine("--");
+                }
+            }
+
+        }
+    }
+}