Close quickfix with <leader>k
Remove reversing the tabwrapper

It had unwanted side-effects on the jumplist
Only replace first match
Only ignore vendor/cache

vendor/assets is js-land
Remove git branch in statusline
Silent colorscheme warnings

Aka, only load if it exists
add `:AutotestWithWarnings` to run with warnings

While testing metaprogramming warnings can be obnoxious
Json pretty-print