Filter interface changes
These changes make the filter classes more consistent with the VTK-m coding standards as well as adding some simplification for users.
These changes fix issues #59 (closed), #60 (closed), #61 (closed), and #62 (closed).
System updates will be applied on Nov 25th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
These changes make the filter classes more consistent with the VTK-m coding standards as well as adding some simplification for users.
These changes fix issues #59 (closed), #60 (closed), #61 (closed), and #62 (closed).