Implement getRunner grpc endpoint

This includes refactoring the jobscheduler into the runnermanager. This
service manages runner connections and allocating them to pipelines.
These requests are done via the pipeline grpc api

main.go

@@ -5,10 +5,10 @@ import (
 	"os"
 
 	"git.ohea.xyz/cursorius/server/config"
-	"git.ohea.xyz/cursorius/server/jobscheduler"
 	"git.ohea.xyz/cursorius/server/listen"
 	"git.ohea.xyz/cursorius/server/pipeline_api"
 	"git.ohea.xyz/cursorius/server/poll"
+	"git.ohea.xyz/cursorius/server/runnermanager"
 	"github.com/op/go-logging"
 )
 
@@ -33,16 +33,16 @@ func main() {
 		log.Errorf("Could not get configuration: %v", err)
 	}
 
-	runCh, registerCh, err := jobscheduler.StartJobScheduler(configData.Config.Jobs, configData.Config.Runners)
+	getRunnerCh, registerCh, err := runnermanager.StartRunnerManager(configData.Config.Runners)
 	if err != nil {
 		log.Errorf("Could not start runner: %v", err)
 	}
 
-	poll.StartPolling(configData.Config, runCh)
+	poll.StartPolling(configData.Config)
 
 	mux := http.NewServeMux()
 
-	pipeline_api.CreateHandler(mux, runCh)
+	pipeline_api.CreateHandler(mux, getRunnerCh)
 
 	listen.Listen(mux, configData.Config.Address, configData.Config.Port, registerCh, configData.Config)
 }