fix(jekyll): use https

ref #14

Author: azu

CONTRIBUTING.md

@@ -26,7 +26,7 @@ Shortcut:
 
 1. Create a new file in [_posts/](https://github.com/ecmascript-daily/ecmascript-daily.github.com/tree/master/_posts)`<year>`
 2. File name should be `<year>-<month>-<day>-<title>.md`
-    - [Writing posts](http://jekyllrb.com/docs/posts/ "Writing posts")
+    - [Writing posts](https://jekyllrb.com/docs/posts/ "Writing posts")
 3. Copy the contents of [post.md.template](template/post.md.template) into the file.
 4. Fill as many values.(meta data only)
 5. Create a pull request from the online editor, or if you're using git from the command line follow the usual steps for making a pull request.

README.md

@@ -10,7 +10,7 @@ Please see [Contributing Guideline](./CONTRIBUTING.md)
 
 1. Create a new file in [_posts/](https://github.com/ecmascript-daily/ecmascript-daily.github.com/tree/master/_posts)`<year>`
 2. File name should be `<year>-<month>-<day>-<title>.md`
-    - [Writing posts](http://jekyllrb.com/docs/posts/ "Writing posts")
+    - [Writing posts](https://jekyllrb.com/docs/posts/ "Writing posts")
 3. Copy the contents of [post.md.template](template/post.md.template) into the file.
 4. Fill as many values.(meta data only)
 5. Create a pull request from the online editor, or if you're using git from the command line follow the usual steps for making a pull request.

_config.yml

@@ -36,7 +36,7 @@ twitter_username: EcmascriptDaily
 # Finally if you are pushing to a GitHub project page, include the project name at the end.
 #
 
-production_url : http://ecmascript-daily.github.io
+production_url : https://ecmascript-daily.github.io
 future: true
 # Build settings
 markdown: kramdown