NoScript addons.mozilla.org release 2.6.8.26rc1

v 2.6.8.26rc1
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x [XSS] gmx.com false positive work-around extended to international
  domains (thanks dood_97 for reporting)
x [XSS] gmx.com false positive work-around extended to mail.com (thanks
  boris for reporting)
+ noscript.cascadePermissions preliminary backend implementation
+ noscript.restrictSubdocScripting preliminary backend implementation