add flog, flay for local convenient code-smell check
Merge pull request #70 from nbirnel/flog-n-flay

add flog, flay for local convenient code-smell check. you can run :
flog [DIRECTORY]
flay [DIRECTORY]
to see what sort of naughtiness is going on.
Merge branch 'master' of github.com:Rails-Summer-Project-Noah-and-Matt/Library-Application