Fix enter for mobile

Allow enter to release focus on mobile and therefore close keyboard. Also
fixes menu selection display.
Change hover behaviour

Tweak how hover works.
Fix misc. issues with search

A couple of niggling issues such as menu not being updated upon refresh,
etc.

Closes #5
Show basic information about person/movie/tvshow

Shows overview, biography, and tagline (if there are any) for any item
clicked on.

Closes #5 and closes #12
Merge pull request #13 from rmtmckenzie/getting-started

Last pull from getting started branch.