Merge pull request #9 from hhslepicka/fix_import

FIX: The compiler include section is not under the  subfolder.

Author: ZLLentz

setup.py

@@ -21,7 +21,7 @@
                  sources=['pyca/pyca.cc'],
                  include_dirs=['pyca', epics_inc,
                                 epics_inc + '/os/' + libsrc,
-                                epics_inc + '/os/compiler/' + compiler,
+                                epics_inc + '/compiler/' + compiler,
                                 numpy_inc],
                  library_dirs=[epics_lib,numpy_lib],
                  runtime_library_dirs=[epics_lib,numpy_lib],