Use iphone-5.less in ios/smartphones.less
Update build.less

Remove iphone-5.less
Update ios/smartphones.less

Refactor #prog section
Update core/sections.less

Refactor Home
Update ios/smartphones.less

Refactor Home section
Update core/sections.less

Refacotr #maps section
Update ios/smartphones.less

Add #maps section
Init _images path

with icon-57.png
Add icon-58.png

in _images path
Add icon-80.png

in _images path
Add icon-120.png

in _images path
Bump icon.png in main dir

use _images/icons/icon-57.png
Remove icon-120.png -> ~60@2x

in _images path
Add icon-512.png

in _images path
Add icon-512@2x.png

in _images path
Add icon-76.png

in _images path
Add icon-76@2x.png

in _images path
Add icon-72.png

in _images path
Add icon-72@2x.png

in _images path
Add icon-57@2x.png

in _images path