Use location list instead of quickfix for diagnostics (#335)
Use location list instead of quickfix for diagnostics (#335)

Diagnostics are enabled only for current document which makes it
pointless to feed them to the QuickFix which is global. This PR changes
that behaviour to use location list, which is window-local, instead.

Close #75
prabirshrestha/vim-lsp,prabirshrestha/vim-lsp