NoScript addons.mozilla.org release 2.6.8.13

v 2.6.8.13
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x Restored z-order mobility for options dialog on Linux (thanks barbaz
  for RFE)
x Moved ClearClick options into their own "Advanced" sub-tab (thanks
  Thrawn for RFE)
x Minor options dialog tweakings
- Removed External Filters options panel
x The option dialog is non-modal and recycled now (thanks barbaz for RFE)