catkin: adding pkgutil run dependency
catkin: adding pkgutil run dependency

Resolves import error in __init__.py files derived from catkin/cmake/templates/__init__.py.in template,
e.g. in tf:
  File "/usr/lib/python2.7/site-packages/tf/__init__.py", line 7, in <module>
    from pkgutil import extend_path
ImportError: No module named pkgutil

KristofRobot/meta-ros,KristofRobot/meta-ros