refactor churn into adapters
refactor complexity into adapters
kill active support
remove unnecessary dependencies
add scores to ruby complexity adapter
pass diff contents into complexity instead of diffs. refactor variable names. refactor methods in Commit
modify FlogScore to use diff contents instead of diffs
rename file_name to path in Diff::Content
refactor Commit complexity and churn to remove chained call for lang. Instead pass in a symbol for lang
test case for adding new adapters