Replaces <a> Anchor (hyperlink) tag's alt attrib w/ title attrib.

Alt is not a valid attribute on an anchor tag.  I suspect that the
author intended to use title instead.
Removing the dinosaur get-to-know-you question.

We used the dinosaur intro question in a previous class, so we'd
like to have the flexibility to choose something different on the
fly for this class.
Removing dino file, per prev removal of get-to-know-you question.
Merge pull request #1 from rachelthompson/anchor-tag-fix-alt

Replaces <a> Anchor (hyperlink) tag's alt attrib w/ title attrib.
Merge pull request #2 from rachelthompson/skip-dinosaur

Removing the dinosaur get-to-know-you question.
Merge branch 'master' into gh-pages