fixed compatibility with Symfony DebugClassLoader [Closes #272]

Author: dg

src/compatibility-intf.php

@@ -14,11 +14,15 @@
 	interface ISupplementalDriver extends Driver
 	{
 	}
+} elseif (!interface_exists(ISupplementalDriver::class)) {
+	class_alias(Driver::class, ISupplementalDriver::class);
+}
+
+if (false) {
 	/** @deprecated use Nette\Database\Conventions */
 	interface IConventions extends Conventions
 	{
 	}
-} elseif (!interface_exists(ISupplementalDriver::class)) {
-	class_alias(Driver::class, ISupplementalDriver::class);
+} elseif (!interface_exists(IConventions::class)) {
 	class_alias(Conventions::class, IConventions::class);
 }