Added destroyMobileContainer method to qx DisposeUtil. Also added an assertQxMobileWidget Method to MAssert and Assert class.
Fixed destruct method of qx.Mobile BusyIndicator.
Fixed qx.Mobile BusyIndicator destruct method: "this.__animationHandle"
Revert "Added destroyMobileContainer method to qx DisposeUtil. Also added an assertQxMobileWidget Method to MAssert and Assert class."

This reverts commit cd0a571a7955ffc756bf1e4e8bce24b5060fe50c.
[BUG #7359] added removeFilter and removeResponse methods
[BUG #7279] clean-up of old code, some re-org of existing, and some experimental
[BUG #7279] minor glitch
[BUG #7322] q('div').slice(0, 0) now returns []
MatchMedia.js fix attach description
Merge branch 'master' of ssh://github.com/qooxdoo/qooxdoo
fixed merge
[BUG #7322] Fixed condition
[BUG #7359] added tests for configure and removeResponse
[BUG #7279] remove work-around @lint ignoreUndefined

- qxc is the top-level namespace for the qxc.ui.versionlabel.VersionLabel
  class used in this class
- at one time the generator would use the class but warn about an 'Unknown symbol
  qxc' which was bogus
- the @lint hint was a work-around for this warning
[BUG #7279] remove work-around @lint ignoreUndefined(qxc)
[BUG #7279] remove work-around @ignore's
[BUG #7279] fixed @deprecated syntax
[BUG #7279] fixed @param syntax
[BUG #7279] removed further unneeded 'ignore's
[BUG #7279] fixed argument name to detect special 'defer' arguments