change test annotations format

MANIFEST.in

 include README.rst buildout.cfg version.txt requirements.txt
 recursive-include doc *.rst *.png *.ico *.txt
-recursive-include bob *.csv *.json *.pgm *.pos
+recursive-include bob *.csv *.json *.pgm

bob/pipelines/tests/data/samples/1.json

+{
+    "reye": [12, 10],
+    "leye": [120, 10]
+}

bob/pipelines/tests/data/samples/1.pos

-10 12 10 120

bob/pipelines/tests/data/samples/2.json

+{
+    "reye": [121, 101],
+    "leye": [1201, 101]
+}

bob/pipelines/tests/data/samples/2.pos

-101 121 101 1201

bob/pipelines/tests/test_sample_loaders.py

@@ -40,8 +40,8 @@ def test_annotations_loader():
     )
     annotation_loader = AnnotationsLoader(
         annotation_directory=path,
-        annotation_extension=".pos",
-        annotation_type="eyecenter",
+        annotation_extension=".json",
+        annotation_type="json",
     )
 
     sample_loader = make_pipeline(csv_sample_loader, annotation_loader)