Fix: oninput detection for IE9-, csshyphens detection for FF and Safari

[anenviousguest]

oninput detection fix for IE9-

The oninput event detection was not as precise in IE9- as it could be. The oninput test was reporting undefined instead of false, thus making unit tests failing:

• 5. Modernizr classes and bools: html classes are looking good
     
     Test number 163: oninput is correctly false in the classes and objectExpected: false Result: undefined Diff: false undefined
• 6. Modernizr classes and bools: Modernizr properties are looking good
     
     Test number 283: Modernizr.oninput is a boolean value or Boolean object

This was caused by fact that events are created and fired differently in IE9-, see respective code change.

csshyphens detection fix for FF and Safari

• There was seemingly a typo in CSS property name (text-justification instead of correct text-justify).
• The hyphenation doesn't take effect unless the lang attribute is explicitly set, for this reason it was erroneously detected as not supported on FF and Safari, whereas it is actually supported.

[anenviousguest]

Hi guys,

I realize you might not have a time yet to review this pull request, but in case you had - is there a chance to merge this? Does it look reasonable to you?

Thanks!

[anenviousguest]

Bumping the thread. Any chance to land this?
Thanks!

[rejas]

hi @anenviousguest sorry for the long delay. if you are still interested, would you mind splittin this PR up and submit only the IE9 stuff? Hypens dectection should go into a seperate PR (the justification already is in a PR, so only the lang part would be needed) Thx

[anenviousguest]

hi @rejas, will do, thanks

[rejas]

so, merged your other PR #2345
this PR needs to get rebased and updated to only include the ie9 stuff if it needs to go foward @anenviousguest