cyh/coursera_machine_learning_ex: coursera machine learning exercise solution @ d016f73aa4a04846b611927bac80c7cd295c9b61

CHEN Yihui 428f69c72f first commit		%!s(int64=4) %!d(string=hai) anos
..
jsonlab	428f69c72f first commit	%!s(int64=4) %!d(string=hai) anos
makeValidFieldName.m	428f69c72f first commit	%!s(int64=4) %!d(string=hai) anos
submitWithConfiguration.m	428f69c72f first commit	%!s(int64=4) %!d(string=hai) anos