Add prefered stylesheet
WIP Initial work for 4Signs
WIP update
Checkpoint 03/13/13
WIP Checkpoint 03/14/13

Replace double-space after a period with single space.
```
%s/  \([^$]\)/ \1/g
```
WIP Touchup word use
WIP Checkpoint 03/14/13
WIP Checkpoint 03/15/13
4 Signs: Go live!
Fix up spelling
Fix "moral authority" as suggested by Diên Vỹ

Add missing word.

Ref: http://bit.ly/YguB9c
Fix word use

Ref: +Tâm Như @ comment #81637