joint-state-publisher: adding missing run dependency

Resolves error:
ImportError: No module named wx
dynamic-reconfigure: adding rosservice run dependency

Resolves:
  File "/usr/lib/python2.7/site-packages/dynamic_reconfigure/server.py", line 45, in <module>
    import rosservice
ImportError: No module named rosservice
rosservice: adding rosmsg run dependency

Resolves:
  File "/usr/lib/python2.7/site-packages/rosservice/__init__.py", line 61, in <module>
    import rosmsg
ImportError: No module named rosmsg
nav-msgs: adding actionlib-msgs run dependency

Resolves:
  File "/usr/lib/python2.7/site-packages/nav_msgs/msg/_GetMapActionGoal.py", line 9, in <module>
    import actionlib_msgs.msg
ImportError: No module named actionlib_msgs.msg
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
tf: adding numpy run dependency

Resolves:
  File "/usr/lib/python2.7/site-packages/tf/transformations.py", line 174, in <module>
    import numpy
ImportError: No module named numpy
Merge pull request #234 from KristofRobot/wxpython-fix

Adding various missing run dependencies