Update 02_hhinfra.do

looks good. just making a suggestions below. will read up on factor analysis and give this a second look (probably Thursday since I'm going to an IBM workshop tomorrow).

1) 
affected variable - electFuel
issue - potential to be confusing with cookFuel and lightFuel
resolution - renamed electcookFuel
2)
affected variables - dist*
issue - no issue, just clarifying distances are in km
resolution - added km to label