updated plugins and added eslint goodies

sources_non_forked/vim-snippets/UltiSnips/javascript.snippets

@@ -59,7 +59,7 @@ ${1:var }${2:function_name} = function $2(${3}) {
 endsnippet
 
 snippet iife "Immediately-Invoked Function Expression (iife)"
-(function (${1:argument}) {
+(function(${1:window}) {
 	${VISUAL}$0
 }(${2:$1}));
 endsnippet