Mirror Chrome (1-27) + Safari (1-6.1) for CSS properties

[queengooborg]

This pull request mirrors versions of Chrome based upon WebKit and versions of Safari between each other to eliminate null and true values that already have answers in our data. Changes are as follows:

css.properties.align-self.flex_context (-webkit- prefix)

1. Chrome already has "21" in data
2. Mirrored onto Safari (Safari 6.1)

css.properties.flex-wrap (-webkit- prefix)

1. Chrome already has "21" in data
2. Mirrored onto Safari (Safari 6.1)

css.properties.justify-content.flex_context (-webkit- prefix)

1. Chrome already has "21" in data
2. Mirrored onto Safari (Safari 6.1)

css.properties.text-decoration.shorthand

1. Safari iOS already has "8" in data
2. Mirrored onto Safari Desktop (Safari 8)

css.properties.text-rendering.geometricPrecision

1. Chrome already has "13" in data
2. Mirrored onto Safari (Safari 6)

css.types.image.gradient.radial-gradient (-webkit- prefix)

1. Safari already has "5.1" in data
2. Mirrored onto Chrome (Chrome 13)

css.types.integer

1. Basic CSS1, assuming Safari 1, Chrome 1

css.types.length-percentage.vmax, css.types.length-percentage.vmin

1. Chrome already has "26" in data
2. Mirrored onto Safari (Safari 6.1)

css.types.length.vmax, css.types.length.vmin

1. Chrome already has "26" in data
2. Mirrored onto Safari (Safari 6.1)

css.types.transform-function

1. Safari already has "3.1" in data
2. Mirrored onto Chrome (Chrome 1)

css.types.timing-function.cubic-bezier

1. Chrome already has "16" in data
2. Mirrored onto Safari (Safari 6)

css.types.image.gradient.conic-gradient.doubleposition, css.types.image.gradient.linear-gradient.doubleposition, css. types.image.gradient.radial-gradient.doubleposition, css.types.image.gradient.repeating-linear-gradient.doubleposition, css.types.image.gradient.repeating-radial-gradient.doubleposition

1. Safari has mention of exact Technology Preview 66
2. Safari TP 66 matches 12.1
3. Safari 12.1

css.properties.unicode-bidi.isolate (-webkit- prefix)

1. Chrome already has "16" in data
2. Mirrored onto Safari (Safari 6)

css.properties.width.animatable

1. Chrome already has "26" in data
2. Mirrored onto Safari (Safari 6.1)

[queengooborg]

Thanks, @jpmedley!