[Azoth AP] Updated bpaste paster.
[Azoth AP] Use SSL for bpaste.net.
[Azoth AP] Use inheriting ctor.

Yay, we are gcc 4.8+-only now!
[Azoth AP] Refactored parts to SpacePasteServiceBase.
[Azoth AP] Moved highlighters serialization out of BPasteService.
[Azoth AP] Paste services don't need Q_OBJECT.
[Azoth AP] Mark services classes as final / override.