Added simple dependency checks to all annotation processors

Change-Id: I8de5ca9a6e56bbcd32168cdb23474be4401171a7
diff --git a/t/annotation/malt_dependency.t b/t/annotation/malt_dependency.t
index 515ae8f..cbbbf27 100644
--- a/t/annotation/malt_dependency.t
+++ b/t/annotation/malt_dependency.t
@@ -1,6 +1,7 @@
 #!/usr/bin/env perl
 use strict;
 use warnings;
+use KorAP::XML::Annotation::Malt::Dependency;
 use utf8;
 use Log::Log4perl;