release: correct version tag and remove lingering config file

Release 0.12.0-RC3

docs: suggest corrections to initial changelog

gofmt: full sweep on develop

Bump version, but label as development version

Filled in changelog

blockchain: correct filter condition, also skumtFel, fixes #120

Feature smaller docker redux

readme updates

fix circle problems; push correct image

utilize a common docker building paradigm across the stack

update readme to route traffic to monax

We were (probably) inadvertently depending on Tendermint's native RPC

Reintroduce Send and SendAndHold

Let's not depend on docker

Eris node websocket client

Gas limit fix for *CALL (master)