update: omzhs
change: back to <leader>v (vim) and <prefix>v (tmux) for vertical splits
add: snippets
update: git modules and ignore them if dirty
add: ls++, aliases for wikis and tasks. remove: TERM env var should be reported by the terminal emulator itself
add: vim script to switch vim wiki nested syntaxes, remove: unused plugins
change: tmux settings for osx in its own file