color-blending-with-transparency: initial implementation
color-blending-with-transparency: fixed negative result alpha handling (though allowing out-of-range alpha inputs is subject for further discussions/decision)
color-blending-with-transparency: removed debug log statement mistakenly left out
color-blending-with-transparency: changed func dispatch method from closure to `bind()`
Merge pull request #1704 from seven-phases-max/color-blending-with-transparency

Color blending functions with transparency.