add browser info to search results (for debug purpose)
add browser info to search results (for debug purpose)

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branch : serving_multiple_cubes

cesarmarinhorj/cubes,noyeitan/cubes,ubreddy/cubes,zejn/cubes,pombredanne/cubes,jell0720/cubes,noyeitan/cubes,jell0720/cubes,pombredanne/cubes,ubreddy/cubes,jell0720/cubes,zejn/cubes,pombredanne/cubes,cesarmarinhorj/cubes,zejn/cubes,noyeitan/cubes,she11c0de/cubes,she11c0de/cubes,ubreddy/cubes,cesarmarinhorj/cubes,she11c0de/cubes