[WIP] Implement CLI
Fix policy registration bugs
Remove slash operator as joining operator
Remove last line break
Fix home_path missing
Rename Linter#lint to Linter#lint_file
Cosmetic change
Implement CLI
Return exit status
Add acceptance tests
Refactor version note
Fix color bug
Change terminal color
Merge pull request #10 from Kuniwak/cli-impl

Implement CLI
Merge branch 'master' into implement-policies

Conflicts:
	test/asserting/policy.py