allow 2 redirects for http client #138

Job	Run time
ci-lint	20s
gofmt	47s
build-all	3m 47s
docs-check	2m 40s
cbor-check	2m 0s
setup-params	4s
lint	3m 29s
gen-check	2m 36s
mod-tidy-check	47s
lid-docker-compose	1m 11s
test (test-itest-dummydeal_offline, ./itests/dummydeal_offline_test.go)	2m 31s
test (test-itest-dummydeal, ./itests/dummydeal_test.go)	2m 42s
test (test-graphsync_identity_cid, ./itests/graphsync_identity_cid_test.go)	3m 29s
test (test-itest-retrieval, ./itests/graphsync_retrieval_test.go)	2m 38s
test (test-itest-direct_deal, ./itests/ddo_test.go)	3m 42s
test (test-all, `go list ./... \| grep -v boost/db \| grep -v boost/storagemarket \| grep -v boost/i...	3m 53s
test (test-itest-data-segment-index, ./itests/data_segment_index_retrieval_test.go)	3m 27s
test (test-itest-ipni, ./itests/ipni_publish_test.go)	2m 21s
test (test-itest-multiminer-graphsync, ./itests/multiminer_retrieval_graphsync_test.go)	2m 17s
test (test-booster-http, ./cmd/booster-http)	6m 27s
test (test-booster-bitswap, ./cmd/booster-bitswap)	3m 28s
test (test-itest-lid-cleanup, ./itests/lid_cleanup_test.go)	3m 51s
test (test-provider, ./storagemarket)	2m 16s
test (test-sql-db, ./db)	1m 20s
	1h 2m 3s

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