Back out changeset ddd02164f9f7 (Bug 842618) now that Bug 845341 is fixed r=Neil over IRC.
See:
Bug 842618 - SeaMonkey contains PrivateBrowsingUtils.jsm, but it throws an exception if used
Bug 845341 - PrivateBrowsingUtils.permanentPrivateBrowsing can throw if the autostart pref does not exist
Bug 804954 Add mozbase to the list of packaged directories for Thunderbird's tests. r=mconley
Bug 844373 - Clean up _flagNameList iterating in mail/base/content/folderPane.js. r=mkmelin
Bug 263736 - Group by sort feature with sort by "Date" uses "Old Mail" in RSS folders and newsgroup. r=bwinton
DONTBUILD
Bug 844781 - Element.setAttribute(attr, null); now sets the attribute to the string 'null' instead of the empty string. r=Neil
bug 780886 - do all index-based removals in forget functions in backwards order, r=IanN
bug 588415 - Make website storage mechanisms available in Data Manager (localStorage, indexedDB, etc.), r=IanN
Bug 845089 - Convert build system to moz.build files on a CLOSED TREE; r=Callek
Bug 845089 - Followup: Try to fix make package on a CLOSED TREE; r=gps over IRC
Bug 845089 - Followup: Pass Windows normalized path into mozilla configure; r=Callek

Partial fix to issue causing a CLOSED TREE.