examples/ct: get context from request
examples/ct: get context from request

daviddrysdale/trillian,RJPercival/trillian,AlCutter/trillian,daviddrysdale/trillian,Martin2112/trillian,gdbelvin/trillian,codingllama/trillian,gdbelvin/trillian,Martin2112/trillian,Martin2112/trillian,google/trillian,google/trillian,RJPercival/trillian,gdbelvin/trillian,codingllama/trillian,daviddrysdale/trillian,gtank/trillian,gtank/trillian,AlCutter/trillian