Add Navigation Highlighting for Build Commands

Created by: sdwilsh

Test Plan: Ensured that following pages were properly selected when viewed:

• http://localhost:9811/command/common_parameters.html
• http://localhost:9811/command/audit.html
• http://localhost:9811/command/autodeps.html
• http://localhost:9811/command/build.html
• http://localhost:9811/command/clean.html
• http://localhost:9811/command/doctor.html
• http://localhost:9811/command/fetch.html
• http://localhost:9811/command/install.html
• http://localhost:9811/command/project.html
• http://localhost:9811/command/query.html
• http://localhost:9811/command/run.html
• http://localhost:9811/command/root.html
• http://localhost:9811/command/server.html
• http://localhost:9811/command/suggest.html
• http://localhost:9811/command/targets.html
• http://localhost:9811/command/test.html
• http://localhost:9811/command/uninstall.html
• http://localhost:9811/command/buckd.html