Initial design ready
Gulpfile:
* Posts: automatically determine the type of content
* Config: added blog configuration file
* Styles: automatically prefix CSS when needed

Scripts:
* Cache HTML posts and blog configuration for better performance
* Code cleanups

Styles:
* Use CSS column-view to implement a Pinterest-like card view
* Responsive blog view
* Google Now-like animations and transforms for cards
Styles:
* Use a custom icon font which contains only useful icons
* Use a separate file for media queries variables
* Responsive search box
* Responsive header
* Improved media queries