Merge branch 'tests' into poc8

.travis.yml

chain/filter_test.go

chain/helper_test.go

chain/types/bloom9_test.go

cmd/ethereum/main.go

cmd/ethereum/repl/repl_windows.go

compression/rle/read_write_test.go

crypto/keys_test.go

ethutil/big_test.go

ethutil/bytes_test.go

ethutil/common.go

ethutil/common_test.go

ethutil/main_test.go

ethutil/path_test.go

ethutil/rand_test.go

ethutil/size_test.go

ethutil/value_test.go

event/profile.tmp

gocoverage.sh

install_deps.sh