Add activation dependency checks for Linux and Windows (#205)

Author: suribabu-ganti

CHANGELOG.md

@@ -18,6 +18,8 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 
 ## [1.4.2]
 
+### Added
+- Added activation dependency check for Linux and Windows
 
 ## [1.4.1]
 

package.json

@@ -359,6 +359,12 @@
                         "60 Hz"
                     ],
                     "description": "The power-line frequency of the outlet your instruments are plugged into."
+                },
+                "tsp.ignoreMissingVisa": {
+                    "type": "boolean",
+                    "default": false,
+                    "scope": "application",
+                    "description": "Ignore the VISA installation check notification. VISA is optional and only required for VISA protocol instrument communication."
                 }
             }
         },

src/connection.ts

@@ -638,6 +638,7 @@ export class Connection extends vscode.TreeItem implements vscode.Disposable {
         const LOGLOC = { file: "instruments.ts", func: "Connection.connect()" }
         const orig_status = this.status
         this.status = ConnectionStatus.Connected
+        
         if (!this._terminal) {
             Log.debug("Creating terminal", LOGLOC)
             const result = await vscode.window.withProgress(