Fix missing possible async calls. Enforce rules.

Author: hazzik

.editorconfig

@@ -27,6 +27,9 @@ dotnet_diagnostic.NUnit2031.severity = suggestion
 dotnet_diagnostic.NUnit2049.severity = suggestion
 # The SameAs constraint always fails on value types as the actual and the expected value cannot be the same reference
 dotnet_diagnostic.NUnit2040.severity = suggestion
+dotnet_diagnostic.CA1849.severity = error
+dotnet_diagnostic.CA2007.severity = error
+dotnet_code_quality.CA2007.output_kind = DynamicallyLinkedLibrary
 
 [*.xsd]
 indent_style = tab

src/NHibernate.sln

@@ -13,6 +13,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		..\appveyor.yml = ..\appveyor.yml
 		..\ReleaseProcedure.txt = ..\ReleaseProcedure.txt
 		..\global.json = ..\global.json
+		..\.editorconfig = ..\.editorconfig
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NHibernate", "NHibernate\NHibernate.csproj", "{5909BFE7-93CF-4E5F-BE22-6293368AF01D}"

src/NHibernate/Action/BulkOperationCleanupAction.cs

@@ -166,8 +166,8 @@ public virtual void Init()
 		[Obsolete("This method has no more usage in NHibernate and will be removed in a future version.")]
 		public virtual async Task InitAsync(CancellationToken cancellationToken)
 		{
-			await EvictEntityRegionsAsync(cancellationToken);
-			await EvictCollectionRegionsAsync(cancellationToken);
+			await EvictEntityRegionsAsync(cancellationToken).ConfigureAwait(false);
+			await EvictCollectionRegionsAsync(cancellationToken).ConfigureAwait(false);
 		}
 	}
 }

src/NHibernate/AdoNet/DbBatchBatcher.cs

@@ -167,16 +167,16 @@ protected override async Task DoExecuteBatchAsync(DbCommand ps, CancellationToke
 			try
 			{
 				Log.Debug("Executing batch");
-				await (CheckReadersAsync(cancellationToken)).ConfigureAwait(false);
-				await (PrepareAsync(_currentBatch, cancellationToken)).ConfigureAwait(false);
+				await CheckReadersAsync(cancellationToken).ConfigureAwait(false);
+				await PrepareAsync(_currentBatch, cancellationToken).ConfigureAwait(false);
 				if (Factory.Settings.SqlStatementLogger.IsDebugEnabled)
 				{
 					Factory.Settings.SqlStatementLogger.LogBatchCommand(_currentBatchCommandsLog.ToString());
 				}
 				int rowsAffected;
 				try
 				{
-					rowsAffected = _currentBatch.ExecuteNonQuery();
+					rowsAffected = await _currentBatch.ExecuteNonQueryAsync(cancellationToken).ConfigureAwait(false);
 				}
 				catch (DbException e)
 				{