Slider: input does not get ui-state-disabled class

Fixes #7024
Slider: input does not get ui-state-disabled class

Fixes #7024
Slider: input does not get ui-state-disabled class

remove trailing whitespace

Fixes gh-7024
Slider: input does not get ui-state-disabled class

shorten line length

Fixes gh-7024
Slider: input does not get ui-state-disabled class

Fixes gh-7024
Merge branch '7024-slider-input-is-not-disabled' of github.com:cgack/jquery-mobile into 7024-slider-input-is-not-disabled

Conflicts:
    tests/unit/slider/index.html
    tests/unit/slider/slider_core.js