Merge pull request #818 from Gustav-Simonsson/add_privkey_loading_to_block_tests

cmd/geth/blocktest.go

crypto/crypto.go

tests/block_test.go

tests/block_test_util.go

tests/files/BlockTests/bcGasPricerTest.json

tests/files/BlockTests/bcRPC_API_Test.json

tests/files/StateTests/RandomTests/st201504131821CPPJIT.json

tests/files/StateTests/RandomTests/st201504150854CPPJIT.json

tests/files/StateTests/RandomTests/st201504151057CPPJIT.json

tests/files/StateTests/RandomTests/st201504202124CPPJIT.json

tests/files/StateTests/RandomTests/st201504210245CPPJIT.json

tests/files/StateTests/RandomTests/st201504210957CPPJIT.json

tests/files/StateTests/RandomTests/st201504211739CPPJIT.json

tests/files/StateTests/RandomTests/st201504212038CPPJIT.json

tests/files/StateTests/RandomTests/st201504230729CPPJIT.json

tests/files/StateTests/RandomTests/st201504231639CPPJIT.json

tests/files/StateTests/RandomTests/st201504231710CPPJIT.json

tests/files/StateTests/RandomTests/st201504231742CPPJIT.json

tests/files/StateTests/RandomTests/st201504232350CPPJIT.json

tests/files/StateTests/RandomTests/st201504240140CPPJIT.json