Add ILavaServerExtension.__init__()
Add ILavaServerExtension.__init__()

This method was always required but was not a part of the interface.


OSSystems/lava-server,Linaro/lava-server,Linaro/lava-server,Linaro/lava-server,OSSystems/lava-server,OSSystems/lava-server,Linaro/lava-server