Xacro should not use plain 'include' tags but only namespaced ones.
Small spelling fix
Created check for Gazebo's <uri> tabs only only shows deprecated warnings if not present.
Removed Groovy reference, only being applied to Hydro
Removed <uri> checking and made it more general for any child element of an <include> tag
Fix for the fact that minidom creates text nodes which count as child nodes
Merge pull request #9 from davetcoleman/hydro-devel

Xacro should not use plain 'include' tags but only namespaced ones.