add missing run_dep of rospy on python-yaml
fix library dependencies for roscpp tests when built in isolation
keyword template is unnecessary for signal_.template addCallback() and Intel compiler failed compiling this
Merge pull request #225 from markusachtelik/groovy-devel

keyword template is unnecessary in signal_.template addCallback()
modify rosnode_ping to check for changed node uri if connection is refused (fix #221)
fix restoring thread context when callback throws an exception (fix #219)
avoid calling PollManager::shutdown() repeatedly (fix #217)
add boolean attribute 'subst_value' to rosparam tag in launch files (fix #218)
add missing exception in rosnode_ping() api doc
add some more warning for obviously wrong ROS_HOSTNAME and ROS_IP (fix #134)
allow passing arguments to add_rostest() (fix #232)
modified roslaunch (find PKG) to consider path behind it for resolve strategy
Merge pull request #233 from ros/roslaunch-find-only

modified roslaunch (find PKG) to consider path behind it for resolve strategy
Merge remote-tracking branch 'upstream/groovy-devel' into groovy-devel

Conflicts:
	tools/rosnode/src/rosnode/__init__.py