Updated api-basics.md: Repaired dead links by replacing them with links ...

...to Wikipedia.  The old links in that section were pointing to pages on apievangelist.com that no longer existed.  Upon examining the front page content of that site, I saw a similar section that seemed to be the inspiration of this section of the docuemtn, so I grabbed the latest content paragraphs from apievangelist.com as well for the section "What tech. goes into an API?"