combined <leader>- and _, and <leader>= and +
switch to my fork of goyo for signify support (until its pulled in)
Fixed a few typos, reset the toggle for goyo to <C/A><F12>, set the
default fold level to 5, made \<space> and \\<space> alt ways to
open/close all folds, improved the gutter toggle method and added an
additional way to access help via <Leader>?
all folds