Backed out changeset 2d52467436ed (Issue 427 - Remove non-standard function and getter syntax) - dropping compatibility with Firefox 21 and below wasn't intentional
Releasing Adblock Plus 2.6.3
Added tag 2.6.3 for changeset 303d48407220
Relanded changeset 2d52467436ed (Issue 427 - Remove non-standard function and getter syntax) with appropriate compat info changes