Add 2 new modules

python/dune/perftool/pdelab_names.py

+_namedict = {"quadrature_factor": "fac"}
+
+def name(key):
+    return _namedict[key]
\ No newline at end of file

python/dune/perftool/restriction.py

+class Restriction:
+    NONE = 0
+    POSITIVE = 1
+    NEGATIVE = 2
\ No newline at end of file