1.1.0-71d55f0: move kssh config from kbfs to kv store (#97)

- replace kbfs kssh config code with kvstore code
- move shared kbfs.go file into keybaseca
- update tests: change keybase fs run_commands to instead use keybase kvstore. lots of linting.
- update documentation to not refer to "config files" in KBFS.
- update circleci: clean up go linting, and add python linting
- some renaming and refactoring