Changed chars in LanguageClient

Some of the original characters were displayed as two characters, which
made the gutter "dance" depending on the warning (like the "i"
indicator).

nvim/init.vim

@@ -75,6 +75,37 @@ let g:LanguageClient_serverCommands = {
 "   with `:grep`).
 let g:LanguageClient_selectionUI = 'location-list'
 let g:LanguageClient_diagnosticsList = 'Location'
+"   Use single chars for notifications
+let g:LanguageClient_diagnosticsDisplay = {
+	\ 1: {
+	\	"name": "Error",
+	\ 	"texthl": "LanguageClientError",
+	\	"signText": "x",
+	\	"signTexthl": "LanguageClientErrorSign",
+	\	"virtualTexthl": "Error",
+	\	},
+	\ 2: {
+	\	"name": "Warning",
+	\	"texthl": "LanguageClientWarning",
+	\	"signText": "!",
+	\	"signTexthl": "LanguageClientWarningSign",
+	\ 	"virtualTexthl": "Todo",
+	\	},
+	\ 3: {
+	\	"name": "Information",
+	\	"texthl": "LanguageClientInfo",
+	\	"signText": "i",
+	\	"signTexthl": "LanguageClientInfoSign",
+	\	"virtualTexthl": "Todo",
+	\	},
+	\ 4: {
+	\	"name": "Hint",
+	\	"texthl": "LanguageClientInfo",
+	\	"signText": ">",
+	\	"signTexthl": "LanguageClientInfoSign",
+	\ "virtualTexthl": "Todo",
+	\	},
+	\ }
 
 nnoremap <silent> <leader>] :call LanguageClient#textDocument_definition()<CR>
 nnoremap <silent> <leader>k :call LanguageClient#textDocument_hover()<CR>