Merging dev

Author: fabiocav

src/WebJobs.Script/Description/DotNet/PackageManager.cs

@@ -77,7 +77,7 @@ public Task<PackageRestoreResult> RestorePackagesAsync()
                     var result = new PackageRestoreResult
                     {
                         IsInitialInstall = string.IsNullOrEmpty(currentLockFileHash),
-                        ReferencesChanged = string.Equals(currentLockFileHash, newLockFileHash),
+                        ReferencesChanged = !string.Equals(currentLockFileHash, newLockFileHash),
                     };
 
                     tcs.SetResult(result);

src/WebJobs.Script/Host/ScriptHost.cs

@@ -1139,7 +1139,7 @@ private void OnFileChanged(object sender, FileSystemEventArgs e)
             {
                 bool shutdown = false;
                 string fileExtension = Path.GetExtension(fileName);
-                if (string.IsNullOrEmpty(fileExtension) && ScriptConstants.AssemblyFileTypes.Contains(fileExtension, StringComparer.OrdinalIgnoreCase))
+                if (!string.IsNullOrEmpty(fileExtension) && ScriptConstants.AssemblyFileTypes.Contains(fileExtension, StringComparer.OrdinalIgnoreCase))
                 {
                     shutdown = true;
                 }