Styles and images to accompany map.js

Moving header to footer and including new image sprite.
Simple blue button styles

Added a class to the two bottom buttons and wrote simple styles for
them.  Also, modified the “Feed or Collection” language on index.php to
just read “Collection ID”.
Merge branch 'master' of github.com:hdyami/geofeedia

Conflicts:
	index.php
Testing

Committing to master; resolving conflicts
Resolving conflict in index.php?

hopefully
Typo in Collection Id div

typo that prevented placeholder text from erasing on focus
Little style changes

Button behavior in Chrome (focus outline in style.css) and remove
height and width placeholder text (because I must have an old version
of index.php)