Update zh_CN.lang

dont use unicode tags any more,so changed it for that.
Create zh_CN.lang
Create de_DE.lang

I hope this must be ISO 8859-1 encoded; if not, tell me and I will change it.
Merge pull request #49 from Vexatos/patch-1

Create de_DE.lang
Merge pull request #47 from crafteverywhere/patch-2

Update zh_CN.lang
Merge remote-tracking branch 'upstream/master'