Compilation fix for certain versions of Qt
Move ContactsModel to ui
Add TorProcess for bundled tor management
Remove deprecated widgets Tor config UI
Add TorManager
Remove old tor autoconfig logic
Rename TorControlManager to TorControl
Add private class for TorControl
Add asynchronous event support for TorControlSocket
Use circuit status events to follow connectivity state
Use the OpenSSL RNG to seed the fast one
Remove unnecessary function in main