Move the runtime ufl stuff in the ufl subpackage

python/dune/perftool/compile.py

@@ -10,7 +10,7 @@ def read_ufl(uflfile):
 
     uflcode = read_ufl_file(uflfile)
     namespace = {}
-    uflcode = "from dune.perftool.runtime_ufl import *\n" + uflcode
+    uflcode = "from dune.perftool.ufl.execution import *\n" + uflcode
     try:
         exec uflcode in namespace
     except: