Merge pull request #1 from duanhp/master

hi
Merge pull request #2 from xjtuman/master

文档完善
Merge pull request #1 from dhp811/master

ok
增加工程文件
Merge branch 'master' of https://github.com/duanhp/EnglishPlus
Merge pull request #3 from xjtuman/master

xjtuman to duanhp
Merge pull request #1 from duanhp/master

增加工程文件