rosnode: clarify warning message.

Signed-off-by: Peter Soetens <peter@thesourceworks.com>
groovy: link with roslib explicitly in rtt_rosnode.

Signed-off-by: virtual <virtual@server-1210-amd64.(none)>
Version 2.6.0.3: fix linking errors.

Signed-off-by: Peter Soetens <peter@thesourceworks.com>
groovy: link with roscpp explicitly in rtt_rosnode.

Signed-off-by: Peter Soetens <peter@thesourceworks.com>
Merge remote-tracking branch 'upstream/master'