Update units for the nice names of mesonet variables as well so that they are displayed properly by the meteogram.  This should eventually be handled by a data object.
Update units for the nice names of mesonet variables as well so that they are displayed properly by the meteogram.  This should eventually be handled by a data object.

git-svn-id: acf0ef94bfce630b1a882387fc03ab8593ec6522@243 150532fb-1d5b-0410-a8ab-efec50f980d4

ahill818/MetPy,dopplershift/MetPy,dopplershift/MetPy,jrleeman/MetPy,ShawnMurd/MetPy,Unidata/MetPy,deeplycloudy/MetPy,jrleeman/MetPy,ahaberlie/MetPy,ahaberlie/MetPy,Unidata/MetPy