Merge branch 'private_plugin' into 'master'

cmake: link TrackerPlugin as private

See merge request !1

cmake/TrackerPlugin.cmake

@@ -23,5 +23,5 @@ function(add_behavior_plugin target)
         CXX_EXTENSIONS NO
     )
     
-    target_link_libraries (${target} biotracker-utility)
+target_link_libraries (${target} PRIVATE biotracker-utility)
 endfunction()