Multiple updates to docs fixing typos, broken links & clarifications (SharePoint#3421)

* docfix for code exception (issue1536)

- fixes SharePoint#1536

* doc clarification fix (issue1552)

- previous doc was unclear what page the user was on
- updated doc to be more generic and not such a specific exp as UX changes over time

- fixes SharePoint#1552

* link fixup (issue2068)

- update link to working & relevant MVA course

- fixes SharePoint#2068

* docfix for correct SPFx version (issue SharePoint#3315)

- updated doc to reference SPFx 1.6 instead of 1.4.1 as the code snippets in the doc are only relevant to the GA of `MSGraphClient`

- fixes SharePoint#3315

* linkfix (issue 3400)

- fix broken link

- fixes SharePoint#3400

Author: andrewconnell

docs/general-development/create-sharepoint-no-code-solutions.md

@@ -33,7 +33,7 @@ The following articles describe how to create no-code solutions and provide link
 |**Article**|**Description**|
 |:-----|:-----|
 | [SharePoint Composites Handbook](sharepoint-composites-handbook.md) <br/> |Provides in-depth guidance to help you learn how to create a no-code solution.  <br/> |
-| [No-code solutions using SharePoint Composites](http://technet.microsoft.com/en-us/sharepoint/dn594430) <br/> |Provides links to many practical articles, walkthroughs, demos, virtual labs, and other formats that show how to create no-code solutions.  <br/> |
+| [No-code solutions using SharePoint Composites](create-sharepoint-no-code-solutions) <br/> |Provides links to many practical articles, walkthroughs, demos, virtual labs, and other formats that show how to create no-code solutions.  <br/> |
 | [Save, download, and upload a SharePoint site as a template](save-download-and-upload-a-sharepoint-site-as-a-template.md) <br/> |Explains how to create site templates without using code so you can easily deploy no-code solutions.  <br/> |
 
 

docs/sp-add-ins/complete-basic-operations-using-sharepoint-client-library-code.md

@@ -225,7 +225,7 @@ IEnumerable<SP.List> result = context.LoadQuery(web.Lists.Include( // For each l
 context.ExecuteQuery(); 
 
 // Enumerate the result. 
-foreach (List list in web.Lists) 
+foreach (List list in result) 
 { 
     label1.Text = label1.Text + ", " + list.Title; 
 } 

docs/sp-add-ins/get-started-creating-sharepoint-hosted-sharepoint-add-ins.md

@@ -52,8 +52,8 @@ To get an Office 365 plan:
 - See the [Office 365 Developer Program documentation](https://docs.microsoft.com/en-us/office/developer-program/office-365-developer-program) for step-by-step instructions about how to join the Office 365 Developer Program and sign up and configure your subscription.
 
 ### Open your developer site 
- 
-Select the **Build Add-ins** link in the upper-left corner of the page to open your developer site. You should see a site that looks like the one in the following figure. The **Add-ins in Testing** list on the page confirms that the website was made with the SharePoint Developer Site template. If you see a regular team site instead, wait a few minutes and then restart your site.
+
+In a browser, navigate to the SharePoint site collection you created when you setup your Office 365 developer subscription. (*If you don't have a site, follow the instructions here*). You should see a site that looks like the one in the following figure. The **Add-ins in Testing** list on the page confirms that the website was made with the SharePoint Developer Site template. If you see a regular team site instead, wait a few minutes and then restart your site.
 
 > [!NOTE]
 > Make a note of the site's URL; it's used when you create SharePoint Add-in projects in Visual Studio.

docs/sp-add-ins/sharepoint-add-ins.md

@@ -145,5 +145,5 @@ Ready to get started?
 
 ## See also
 
-- [Developing Microsoft SharePoint Server 2013 Core Solutions Jump Start](http://www.microsoftvirtualacademy.com/training-courses/developing-microsoft-sharepoint-server-core-solutions-jump-start)
+- [Microsoft Virual Academy: Getting Started with SharePoint Add-Ins](https://mva.microsoft.com/en-US/training-courses/getting-started-with-sharepoint-addins-14053)
 - [SharePoint glossary](../general-development/sharepoint-glossary.md) 

docs/spfx/use-msgraph.md

@@ -12,14 +12,14 @@ When building SharePoint Framework solutions, you can easily connect to the Micr
 
 ## MSGraphClient overview
 
-**MSGraphClient** is a new HTTP client introduced in SharePoint Framework v1.4.1 that simplifies connecting to the Microsoft Graph inside SharePoint Framework solutions. **MSGraphClient** wraps the existing [Microsoft Graph JavaScript Client Library](https://www.npmjs.com/package/@microsoft/microsoft-graph-client), offering developers the same capabilities as when using the client library in other client-side solutions.
+**MSGraphClient** is a new HTTP client introduced in SharePoint Framework v1.6.0 that simplifies connecting to the Microsoft Graph inside SharePoint Framework solutions. **MSGraphClient** wraps the existing [Microsoft Graph JavaScript Client Library](https://www.npmjs.com/package/@microsoft/microsoft-graph-client), offering developers the same capabilities as when using the client library in other client-side solutions.
 
 While you could use the Microsoft Graph JavaScript Client Library in your solution directly, **MSGraphClient** handles authenticating against the Microsoft Graph for you, which allows you to focus on building your solution.
 
 ## Use the MSGraphClient in your solution
 
 > [!NOTE]
-> The **MSGraphClient** is available only in projects built using SharePoint Framework v1.4.1 and later. While the **MSGraphClient** is explained in this article by using a client-side web part, you can also use it in SharePoint Framework Extensions.
+> The **MSGraphClient** is available only in projects built using SharePoint Framework v1.6.0 and later. While the **MSGraphClient** is explained in this article by using a client-side web part, you can also use it in SharePoint Framework Extensions.
 
 1. To use the **MSGraphClient** in your SharePoint Framework solution, add the following `import` clause in your main web part file: