tables/bugfix 6255: getting colspan vs getting data-colspan
Revert "tables/bugfix 6255: getting colspan vs getting data-colspan"

This reverts commit e9194515a0cf6147e36eb898fb2ad574f2a403cd.
Merge branch 'master' of https://github.com/jquery/jquery-mobile
Page: deprecate setContainerBackground and removeContainerBackground move to content widget
Fix 6250: declare classes inside eacFix 6250: declare classes inside eachh
Filterable: Changed the default of option hidedividers to true. Fixes #6261.
Defaults: changed default of pageLoadErrorMessageTheme to "a". Fixes #6303.
Textinput: removed (min) height for textareas
Autogrow: adds padding omitted from clientHeight by Firefox. Fixes #6179 - Textinput: height not correctly calculated in Firefox
Autogrow: removed trailing whitespace
DegradeInput: move to $.mobile.degradeInputs deprecate on page widget
KeepNative: Made keep native just a selector string on $.mobile and deprecate keepNativeSelector from page
Popup: fix improper refrence to body Fixes #6318 - Issue with popup on 1.4.0a
Merge branch 'master' of github.com:frequent/jquery-mobile