Since commit 6383648d (COMP: Set CMake Policy CMP0022 to NEW,
2013-09-11) we tell CMake >= 2.8.12 to use the INTERFACE_LINK_LIBRARIES
property to define the link interface of libraries.  Populate it for VTK
wrapping libraries by using target_link_libraries with LINK_PUBLIC.

Change-Id: Id8581ea5039e76eab2c6684bf48e6e6cd80da3b9