Update echo.1.po
Create echo.1
Merge pull request #46 from Linchenguang/master

echo 翻译完成
Merge pull request #48 from Luoxcat/master

已翻译by Luox
linkstart
Merge pull request #51 from crowner/master

link start！
翻译中》》》》......
Rename tac.1po to tac.1.po
Merge pull request #53 from Linchenguang/master

tac 翻译中》》》》......
已翻译by Luox