Updated for new package names

MANIFEST.in

@@ -4,11 +4,10 @@ include LICENSE
 include MANIFEST.in
 
 # All source files
+recursive-include examples *
 recursive-include gprMax *
-recursive-include tests *
-recursive-include tools *
-recursive-include user_libs *
-recursive-include user_models *
+recursive-include testing *
+recursive-include toolboxes *
 
 # Exclude what we don't want to include
 global-exclude *.DS_Store