scripts: remove out-of-date comments
scripts: s/opcodes/ops
scripts: re-order classify functions
scripts: avoid unnecessary this context
scripts: remove explict else branch
tests: cover all multisigOutput branchs
scripts: check chunks length properly
tests: test non-standard pathway for classifyInput
tests: add OP_RETURN scripts fixture
tests: add scriptHash redeemScript non-data fixture
tests: add non-canonical signature test
Merge pull request #294 from bitcoinjs/scriptsclean

Scripts clean and isMultisigOutput fix