Updated plugins and added vim-markdown

sources_non_forked/vim-snippets/snippets/elixir.snippets

@@ -144,7 +144,7 @@ snippet rec
 			${0}
 	end
 snippet req
-	require ${0:module_name}
+	require ${0:Logger}
 snippet imp
 	import ${0:module_name}
 snippet ali
@@ -153,6 +153,10 @@ snippet test
 	test "${1:test name}" do
 		${0}
 	end
+snippet testc
+	test "${1:test_name}", ctx do
+		${0}
+	end
 snippet testa
 	test "${1:test_name}", %{${2:arg: arg}} do
 		${0}