support use of disable-with on elements using the "form" attribute
extraneous commented line
refactor form element selection into helper function
Merge pull request #366 from twalpole/form_attribute

support use of disable-with on elements using the html5 "form" attribute
Add jQuery 2.0 and 2.1 to the test suite.
Update Qunit to 1.14.
add disable-with support for standalone remote buttons