[LackMan] Set filter column.

Fixes skipping some packages. Dunno how that worked before at all.
[Util] LineEditButtonManager should be a QObject.
[Util] Check if line edit button manager is already installed.
[Util] Documented LineEditButtonManager.
[Util] Create the tags button in AddSelector().
[Util] Take a manager for TagsLineEdit::AddSelector().
[LackMan] Create clear line edit addon for search line.
[Azoth OTRoid] Pass user-visible strings as well.
[Azoth OTRoid] Refactored OTR enabling into SetOtrSTate.
[Azoth OTRoid] Check for OTR session before starting auth.
[Azoth OTRoid] Store entry ID and name on initialization.
[Azoth OTRoid] Handle `in progress` SMP events.

Well, just ignore the events for now, the dialogs are stateless.
[Azoth OTRoid] Handle Failed and Cheated SMP events.
[Overall] Enable automoc unconditionally.
[Util] Fixed a dead write in XWrapper.
Revert "[Overall] Enable automoc unconditionally."

This reverts commit ed5a0b0300ac217aeaa9c2efc3b4e9526ac03e7a.

Breaks compilation for now.
[vGrabber] Removed pre-automoc stuff.
[TabsList] Removed pre-automoc stuff.
[LMP] Removed pre-automoc stuff.
[Aggregator BF] Removed pre-automoc stuff.