A Halfling would want:
TWF
ITWF
GTWF
Improved Critical
Power Attack
Philosophy Path
PrE pre-req (either Dodge or Cleave/Luck of Heroes)
Stunning Fist
Toughness
Weapon Finesse
Least Dragonmark of Healing
Lesser Dragonmark of Healing
Greater Dragonmark of Healing
That's 13 feats. You only get 11.