Trebuchet: Simplified Chinese Translation

Fix typo, add a missing string, and change to using full-width punctuation.

Change-Id: I94874984ac229bd20d38f756f1e98eaeeec8cd99
Trebuchet: FR translation

PS1: new translation
PS2: correction

Change-Id: If8974199aa7de5a2b0348d24be8d148a5b7190d3