move testfig and figRi to subdirectory as heir own files
Calculate d/dt of tke

plotting of d/d of tke is suppressed since it is smaller than it's
constituent parts
plot profiles of S^2, N^2, and Ri, unifrom row-height calc

tlocbloc.plt has a reusable row height calculator
change pngposter to 864x864
use tlocbloc.plt for fig1 and fig3
set xrange
set offsets and tics more globally
use 9 color palette
use common tic and label offsets and hoorizontal margins
add title to fig1
use common margins and offsets
Use common offsets
increase absolute top margin
use common offsets and margins in fig3diff
make colorbar format unifrom

remove some unnecesary lines
adjust colorbar limits
change cbform, make colorbar wider
use tlocbloc

Lots of changes to use global(ish) plot margins
plot 'em all!