linspace: remove prints to stderr
enable passing of N_GRID via initialize, analyze
enable passing of N_GRID; do Baxter's pp_plot
using ours
remove unused variables
make append a template
UNTESTED: add pathway for drawing a row

at the state level given an existing row
BUGFIX: capture output of append

else "appended" vector remains empty
BUGFIX: make get_draw{,_constrained} virtual
BUGFIX: random_seeds are ints, not doubles
expose get_draw to p_State
add ability to insert_row
add ability to insert_row
fix formatting of print
add sample_and_insert helper for geweke test
BUGFIX: fix sample_T

collapsed sampler must sample a row and then insert it before sampling another row
speed up kl series calculation
use multiprocessing pool to speed up kl calculation

also, remove unused functions
use Agg backend

since the purpose of this script is to save figures
Merge branch 'geweke_failure_debug' of github.com:mit-probabilistic-computing-project/crosscat into geweke_failure_debug