Item descriptions for FANCY and VARSIZE. Changed FIT and SKINTIGHT.

To my knowledge, SKINTIGHT items don't layer any easier than other items (other than by having 0 encumbrance), so I removed "and layers easily" from them.

FIT description now has "and layers easily" if it was 0 encumbrance before fitting.

VARSIZE, FANCY and SUPER_FANCY descriptions added.