v3.4.7

• Added: helper functions args-get-liquid-data, gutter-fallback, is-liquid-list,
• Improved: add supports to center, justify, sticky-footer on Chrome 15-20, Safri 4-6, Firefox 3.6-21.
• Improved: add supports to angled-edges on Chrome 15-17.
• Improved: add media query support to diamond, metro.
• Update: remove 'align' option from center parameters.
• Fixed: gallery will not generate base styles unless needed.
• Fixed: liquid-2, liquid-3, masonry parameter issues.
• Fixed: an args-get-type issue which return the argument without further checking when the argument is the expected type.