* Changes necessary for enforced custom account encoding/decoding and keyring keybase changes
* updates cosmos dependency and fixes inconsistency in gas usage for simulated/real txs
* Update PR changes
* Remove unused password prompt when using OS keyring
* Update from changes to sdk
* Update to merged PR commit :the_horns:
* updated code to handle keyring backend options
* update documentation and replace cosmos-sdk with fork (temporarily)
* update cosmos dependency from fork
* update documentation
* switched go package management from dep to go modules
* Removed dep references in makefile
* Added explicit go modules flag and go mod verify to makefile
