Fix wrong links (denoland/deno_std#106)

Original: https://github.com/denoland/deno_std/commit/39cfdb48a88527306e630b57eaa08ef42e38fb20

README.md

@@ -10,7 +10,7 @@
 
   Command line arguments parser.
 
-- **[logging](./logging/)**
+- **[log](./log/)**
 
   Command line logging
 
@@ -22,7 +22,7 @@
 
   Make directory branches.
 
-- **[net](./net/)**
+- **[http](./http/)**
 
   A framework for creating HTTP/HTTPS servers inspired by GoLang.
 

log/README.md

 # Basic usage
 
 ```ts
-import * as log from "https://deno.land/x/std/logging/index.ts";
+import * as log from "https://deno.land/x/std/log/mod.ts";
 
 // simple console logger
 log.debug("Hello world");