setup: add tools to packages

Author: robertlong13

setup.py

@@ -171,7 +171,9 @@ def run(self):
                    'pymavlink.dialects.v10',
                    'pymavlink.dialects.v20',
                    'pymavlink.dfindexer',
+                   'pymavlink.tools',
                    ],
+       # TODO: calls to the individual tools should be deprecated in favor of running python -m
        scripts = [ 'tools/magfit_delta.py', 'tools/mavextract.py',
                    'tools/mavgraph.py', 'tools/mavparmdiff.py',
                    'tools/mavtogpx.py', 'tools/magfit_gps.py',