* Start threading job output to RunStepRunner
* Strip ANSI
* Fix lint
* Use waitgroup to avoid test flakiness
* Move waitgroup higher
* Add ANSI test and use strings.Builder
* Fix lint
* Use errors.Wrap per style guide
* Create ShellCommandRunner to encapsulate streaming
* WIP: shell command runner
* Update signatures to propagate error finding version
* Fix log output
* Fix error checking
* Fix accidental whitespace stripping
* Remove unused struct field
* Fix error checking in terraform client
* Add unit tests to verify command output handler was called
* Remove err from async interface
* Remove duplicative log now that shell command runner does it
* Hide output in stream for env/multienv
* Add comment explaining goroutines
* Use printf for better macOS compatibility
* Moved CommandContext and CommandResult to models (#193)
* Moved CommandContext and CommandResult to models
* move from models to command
rename CommandContext -> Context
rename CommandResult -> Result
* moved command related helpers into command package
* move ProjectCommandContext and ProjectResult to command/project package
* move project command context and project result
* revert unrelated code
* move tests
* fix left over
* fix linting
* fix tests
* remove unused import
* fix project context dependencies
* fix depenedecies
* fix typo
