Bump kernel version to invalidate caches with broken schedule results...

Bump kernel version to invalidate caches with broken schedule results (inducer/loopy!62)

loopy/version.py

@@ -32,4 +32,4 @@ except ImportError:
 else:
     _islpy_version = islpy.version.VERSION_TEXT
 
-DATA_MODEL_VERSION = "v50-islpy%s" % _islpy_version
+DATA_MODEL_VERSION = "v51-islpy%s" % _islpy_version