STORM-937 : Fix python scripts shebang line and license header for consistency

indra/cmake/run_build_test.py

indra/copy_win_scripts/start-client.py

indra/develop.py

indra/lib/python/indra/util/llperformance.py

indra/lib/python/indra/util/simperf_host_xml_parser.py

indra/lib/python/indra/util/simperf_oprof_interface.py

indra/lib/python/indra/util/simperf_proc_interface.py

indra/lib/python/indra/util/test_win32_manifest.py

indra/llmessage/tests/test_llsdmessage_peer.py

indra/llmessage/tests/testrunner.py

indra/newview/generate_breakpad_symbols.py

indra/newview/tests/test_llxmlrpc_peer.py

indra/newview/viewer_manifest.py

indra/test/test_llmanifest.py

scripts/build_version.py

scripts/install.py

scripts/md5check.py

scripts/setup-path.py

scripts/template_verifier.py

scripts/update_version_files.py