Update SQL Agent extension readme and version (#1343)

extensions/agent/README.md

@@ -1,13 +1,15 @@
 # Microsoft SQL Server Agent for SQL Operations Studio
 
 Welcome to Microsoft SQL Server Agent for SQL Operations Studio! An extension for managing and troubleshooting
-SQL Server Agent jobs and configuration.  The current is a very early release of this extension that provides
+SQL Server Agent jobs and configuration.  The current is an early release of this extension that provides
 basic functionality for the following.
 
 * List SQL Server Agent Jobs configured on a SQL Server
 * View Job History with job execution results
 * Basic Job Control to start and stop jobs
 
+<img src="https://user-images.githubusercontent.com/599935/39215738-d3a52580-47cd-11e8-9788-b290048c270e.png" alt="SQL Agent" style="width:800px;"/>
+
 ## Code of Conduct
 
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.

extensions/agent/package.json

@@ -2,7 +2,7 @@
   "name": "agent",
   "displayName": "SQL Server Agent",
   "description": "Manage and troubleshoot SQL Server Agent jobs (early preview)",
-  "version": "0.28.1",
+  "version": "0.29.0",
   "publisher": "Microsoft",
   "preview": true,
   "license": "https://raw.githubusercontent.com/Microsoft/sqlopsstudio/master/LICENSE.txt",
@@ -22,6 +22,9 @@
     "type": "git",
     "url": "https://github.com/Microsoft/sqlopsstudio.git"
   },
+  "extensionDependencies": [
+    "Microsoft.mssql"
+  ],
   "contributes": {
     "outputChannels": [
       "sqlagent"