Update extension version and update OmniSharp to v1.9-beta5

Author: DustinCampbell

package.json

@@ -1,7 +1,7 @@
 {
   "name": "csharp",
   "publisher": "ms-vscode",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "description": "C# for Visual Studio Code (powered by OmniSharp).",
   "displayName": "C#",
   "author": "Microsoft Corporation",

src/omnisharpDownload.ts

@@ -19,7 +19,7 @@ const decompress = require('decompress');
 
 const BaseDownloadUrl = 'https://vscodeoscon.blob.core.windows.net/ext';
 const DefaultInstallLocation = path.join(__dirname, '../.omnisharp');
-const OmniSharpVersion = '1.9-beta4';
+const OmniSharpVersion = '1.9-beta5';
 
 tmp.setGracefulCleanup();
 
@@ -108,14 +108,18 @@ export function downloadOmnisharp(output: OutputChannel): Promise<boolean> {
                                 output.appendLine(`[INFO] Done! ${files.length} files unpacked.`)
                                 return resolve(true);
                             })
-                            .error(err => {
+                            .catch(err => {
                                 output.appendLine(`[ERROR] ${err}`);
                                 return reject(err);
                             });
                     });
 
                     inStream.pipe(outStream);
                 });
+            })
+            .catch(err =>
+            {
+                output.appendLine(`[ERROR] ${err}`);
             });
     });
 }