Merge pull request #1 from nighca/master

第一个实现
show version & usage info if no file path given
add rule to report & remove pos
update report
update test for reporter
add rule check in test cases for each rule
use fecsrc instead of eslintrc
rm extra file
add rule in hint result & add jsDoc info
update test cases & add jsDoc info
Merge pull request #3 from nighca/rule

add rule and code fields