rename xdot in python.yaml to python-xdot, becase xdot is already tak…

[k-okada]

…en by ros package, atleast until indigo http://wiki.ros.org/xdot

rewrited version of #15257

some of rosdep keys are multiply defined, and that sometime confuse users.

rename xdot in python.yaml to python-xdot, becase xdot is already taken by ros package, atleast until indigo http://wiki.ros.org/xdot
change xdot to python-xdot, this will break backword compatibility....

[dirk-thomas]

This needs to be rebased.

[k-okada]

rebased

[tfoote]

lgtm, though before we merge this @k-okada could you announce this and the proposed pocketsphinx change to General on Discourse?

[k-okada]

@tfoote ok, i have posted announcement https://discourse.ros.org/t/proposed-rename-of-rosdep-keys-pocketsphinx-and-xdot/1959/2 , or are you inted to create new post for announce?
I also download all released packages with rosinstall_generator ALL --rosdistro kinetic and rosinstall_generator ALL --rosdistro package and grep-ed to find keys, also googled and created tickets for those who uses renamed keys.

[tfoote]

Thanks @k-okada the post and grepping for the keys is about all we can do.

@ros/rosdistro-maintainers all set for merge.

[dirk-thomas]

grepping for the keys is about all we can do

I am not sure if any of you has actually done this but currently at least two released ROS packages use this key. Therefore I don't think this should be merge until after PRs for these packages have been proposed to notify the maintainers. As far as I can see it affects:

• ecto
• srv_tools

[k-okada]

I am not sure if any of you has actually done this

I did and had same results as you did. I have already filed a ticket to thier repository and one of them respond already, so I can take care of them.

srv/srv_tools#16
plasmodic/ecto#297

[k-okada]

@tfoote @dirk-thomas I think I have satisfied your change request, please check again