Log Message:
Update to 1.22

Upstream changes:
Changes in DAAG version 1.21

NEW FEATURES
  o The dataset hurricNamed (deaths from Atlantic hurricanes,
    damage assessments, and other measures, from 1950 onwards)
    has been added.
  o The dataset cps3 (a subset of cps10 has been added
  o The help file CVlm.Rd has been amended to give the correct
    return value for CVlm() and cv.lm().
  o An enhanced version of overlapDensity()
    (an alias is  overlap.density()), as assumed by the code for
    Figure 13.3 on page 421 of the 3rd edition of "Data Analysis
    and Graphics using R", has replaced the former version.