[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
minor comment
[BUG #7279] taking jshint-based ignore checking active

- with seemingly very little performance impact!
- jshint checking is now done on a pre-calculated Hint() tree (similar to
  Scope()'s)

- moved MetaHint() to HintArgument()
- make the entries of Hint() hint categories be HintArgument()'s (for glob matching)
- going back to match 'ignore' entries exactly, unless they explicitly use globs
[#BUG 7367] fixed instanceof check
[BUG #7358] Fixed issue with cloned DOM node by copying the target array. This prevents that the original array is flattened which leads to the wrong result. This only happens if elements of the array contain child nodes.