* Move zero_ex.json_schemas to its own package
* Support ALL the schemas
* Stop installing packages as editable
* HACK: cp files because CircleCI isn't
* Add example usage to sra_client README
* Tweak special case: only strip Schema as suffix
* Correct doc titles
* Clarify what kind of support ticket was raised.
* Correct inconsistencies in JSON schema names
In both ref ID's and file names.
* Add entry point for validation of JSON strings
In web3 wrapper when a response contains an error field we throw this rather than return response.result which is often undefined.
In Signature Utils we handle the error thrown when a user rejects the signing dialogue to prevent double signing.
Exposed the ZeroExTransaction JSON schema.
In Website only use the MetamaskSubprovider if we can detect the provider is Metamask
