Splash Page

Update splash page content and add routing via Google Maps
Update title

Updated title shown on splash screen
Added audio text div

if the screen size unload is less than mid breaking point then only
audio will show, if screen size is larger than breakpoint then text for
audio will show.

This is in the index.html and responsive.js
Merge branch 'gh-pages' of https://github.com/RashaunaMead/970_Mobile_Cartography into gh-pages

not.