Update to latest version of OmniSharp, which includes MSBuild support for OSX/Linux

Author: DustinCampbell

package.json

@@ -1,7 +1,7 @@
 {
   "name": "csharp",
   "publisher": "ms-vscode",
-  "version": "1.1.6",
+  "version": "1.1.7",
   "description": "C# for Visual Studio Code (powered by OmniSharp).",
   "displayName": "C#",
   "author": "Microsoft Corporation",

src/omnisharpDownload.ts

@@ -16,9 +16,9 @@ import {getProxyAgent} from './proxy';
 
 const decompress = require('decompress');
 
-const BaseDownloadUrl = 'https://vscodeoscon.blob.core.windows.net/ext';
+const BaseDownloadUrl = 'https://omnisharpdownload.blob.core.windows.net/ext';
 const DefaultInstallLocation = path.join(__dirname, '../.omnisharp');
-export const OmniSharpVersion = '1.9-beta5';
+export const OmniSharpVersion = '1.9-beta10';
 
 tmp.setGracefulCleanup();