Export transaction constants for use in cosign
Merge pull request #11 from ryanxcharles/feature/export-transaction-constants

Export transaction constants for use in cosign
negative indexes don't work in javascript
must use new operator to make new Put
Merge pull request #12 from maraoz/task/readme

Installation guide for Ubuntu added to README file and some ignores
Merge pull request #13 from ryanxcharles/bug/multisig-bugs

fix bugs for cosign
Merge branch 'master' of https://github.com/bitpay/bitcore into misc