add sig_noncanonical.json tests
Fix wrong jsdocs
Refactor gulpfile
Remove globals
Ignore DS_Store
Merge pull request #760 from eordano/docs/jsdocs

Review JSDocs
Merge pull request #765 from maraoz/test/sig_noncanonical

add sig_noncanonical.json tests
Docs: Added general Payment Protocol documentation
Merge pull request #767 from braydonf/docs/payment-protocol

Docs: Payment Protocol
add ScriptInterpreter#verify docs
tx_valid tests passing!
tx_valid tests passing!