Inverting deps on SQL, Log and MQ plugins to make them optional dependencies of extended servers, Removing some dead code that brought in unused dependencies Filtering out some non-linux transitive deps. (#1057)

* initial Db helper split - make SQL and datastore packages optional

* abstracting log store

* break out DB, MQ and log drivers as extensions

* cleanup

* fewer deps

* fixing docker test

* hmm dbness

* updating db startup

* Consolidate all your extensions into one convenient package

* cleanup

* clean up dep constraints

api/logs/s3/s3_test.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"testing"
 
+	"context"
 	logTesting "github.com/fnproject/fn/api/logs/testing"
 )
 
@@ -20,7 +21,7 @@ func TestS3(t *testing.T) {
 		t.Fatalf("failed to parse url: %v", err)
 	}
 
-	ls, err := New(uLog)
+	ls, err := s3StoreProvider(0).New(context.Background(), uLog)
 	if err != nil {
 		t.Fatalf("failed to create s3 datastore: %v", err)
 	}