Adds ATX theme to theme directory

Signed-off-by: Braden O'Guinn <braden@astonishdesign.com>
Edits the about page for the ATX theme

Signed-off-by: Braden O'Guinn <braden@astonishdesign.com>
Edits appropriateness and description views in ATX theme

Signed-off-by: Braden O'Guinn <braden@astonishdesign.com>