Tor: mainConfig, varPath, hidden service by hostname

Signed-off-by: Félix Sipma <felix.sipma@no-log.org>
Tor: rename 'varPath' to 'varLib'

Signed-off-by: Félix Sipma <felix.sipma@no-log.org>
Tor: varRun

Signed-off-by: Félix Sipma <felix.sipma@no-log.org>