Update the Ruby service implementations to use the funcspec util
module for generating spec content. A helper method is now used
for generating a parent class for services to subclass which
automatically includes all required modules for usage.
Vagrant Core Plugins
These are plugins that ship with Vagrant. Vagrant core uses its own plugin system to power a lot of the core pieces that ship with Vagrant. Each plugin will have its own README which explains its specific role.
Generate proto
grpc_tools_ruby_protoc -I . --ruby_out=gen/plugin --grpc_out=gen/plugin ./plugin_server.proto