Remove unnecessary api. from blend URL.

The api. prefixing the blend url isn't correct in this environment and
needs to be removed.  With it we try to go to a domain of api.192.0.2.3
which doesn't exist.
Update the layout of the main tinge page.
Restructure and layout the article template.
Update documentation for article loader.
Update layout of base and about sections.
Change updateArticle → populateArticle.

This function name makes it slightly more clear that a state transition
occurs.  It also more accurately describes the function's actions.