New PT content and many tweaks:

* New Portuguese post "Porque Mudei do Meu Blog" (coming soon to English ;)
* Maaaany CSS spacing tweaks for the site as a whole
* Localization of the following:
    * Github hosting cred at the bottom of the page
    * "Other Posts" section title
* Fixed order of previous/next posts
* Blockquote formatting:
	* Added a "source" tag for nice quotes
	* Spacing changes
	* Added a little quote image in the top left