docs: http to https in README and elsewhere (#133)

Author: yoshinorin

README.md

@@ -70,8 +70,8 @@ theme_config:
   moody_red: "#8B0001"
 ```
 
-[Stylus]: http://stylus-lang.com/
-[nib]: http://stylus.github.io/nib/
+[Stylus]: https://stylus-lang.com/
+[nib]: https://stylus.github.io/nib/
 
 ## Extensibility
 
@@ -95,4 +95,4 @@ hexo.extend.filter.register('stylus:renderer', function(style) {
 
 Save the file in "scripts/" folder and run Hexo as usual.
 
-Notice: for more JavaScript api, refer to stylus's [documentation](http://stylus-lang.com/docs/js.html).
+Notice: for more JavaScript api, refer to stylus's [documentation](https://stylus-lang.com/docs/js.html).

package.json

@@ -25,7 +25,7 @@
     "styl",
     "renderer"
   ],
-  "author": "Tommy Chen <tommy351@gmail.com> (http://zespia.tw)",
+  "author": "Tommy Chen <tommy351@gmail.com> (https://zespia.tw)",
   "license": "MIT",
   "dependencies": {
     "nib": "^1.2.0",