copyrights missing on some files

These files are missing copyright headers:

• traffic_ops/app/t/api/1.1/cdn.t
• traffic_ops/client/delivery_service_resources.go
• traffic_ops/install/lib/WebDep.pm
• traffic_stats/vendor/github.com/jheitz200/test_helper/http.go
• traffic_stats/vendor/github.com/jheitz200/test_helper/test.go

and markdown files (.md) should also carry the copyright header:

• ./BUILD.md
• ./CONTRIBUTING.md
• ./README.md
• ./build/README.md
• ./infrastructure/docker/README.md
• ./infrastructure/docker/build/README.md
• ./infrastructure/test/README.md
• ./misc/git/README.md
• ./test/router/Readme.md
• ./test/router/dnssec/Readme.md
• ./test/traffic_ops_cfg/Readme.md
• ./traffic_monitor/README.md
• ./traffic_monitor_golang/traffic_monitor/README.md
• ./traffic_ops/INSTALL.md
• ./traffic_ops/build/README.md
• ./traffic_ops/client/tests/integration/Readme.md
• ./traffic_ops/experimental/auth/README.md
• ./traffic_ops/experimental/server/README.md
• ./traffic_ops/experimental/ui/README.md
• ./traffic_ops/experimental/ui/build/README.md
• ./traffic_ops/experimental/webfront/README.md
• ./traffic_ops/goto/README.md
• ./traffic_ops_db/pg-migration/README.md
• ./traffic_portal/README.md
• ./traffic_portal/build/README.md
• ./traffic_router/core/src/test/resources/Readme.md
• ./traffic_router/neustar/README.md
• ./traffic_server/README.md
• ./traffic_server/plugins/astats_over_http/README.md