add tmux plugins
use tmux default C-b as prefix

C-a conflicts with Vim increment
C-Space to initiate copy mode

Easier than releasing Ctrl before pressing Space
vim style next(])/previous(]). use p for paste
C-h/j/k/l to move through panes (consistently with vim)
set vim filetype to tmux rather than conf
load tmux plugins
now window selection is through h/l not C-h/C-l
Prefix, C-l to clear screen.
...
consistent pane navigation with tmux
C-b is page up. use C-\ as prefix
use \ for vertical split (| without shift)
| to previous pane