Fixed gradient image HSLA support
Fixed gradient image HSLA support

ecmartinez/nib,ilovezy/nib,seleckis/nib-pushup,JulianWielga/stylus-less,F4-Group/nib,ecmartinez/nib,ilovezy/nib,tj/nib,rstacruz/nib,tj/nib,F4-Group/nib,seleckis/nib-pushup