Epona's Chicken in Pastry

Yield:	4 Servings
Categories:	Epona, Chicken

4		Boneless, skinless chicken breast halves
1		8 oz. pkg. refrigerated crescent roll dough (I used the cheese kind)
		Minced garlic
1	ts	Dry mustard
2	tb	Brown sugar
2	tb	Olive oil
2	tb	White wine vinegar