CLI: Fix config flag being ignored

Passing --config had no effect when passed.  It will now be applied as
the last config file and before any env var overrrides.

pkg/cmd/web.go

@@ -17,7 +17,6 @@ import (
 	"github.com/grafana/grafana/pkg/log"
 	"github.com/grafana/grafana/pkg/middleware"
 	"github.com/grafana/grafana/pkg/services/eventpublisher"
-	"github.com/grafana/grafana/pkg/services/sqlstore"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/social"
 )
@@ -71,10 +70,9 @@ func runWeb(c *cli.Context) {
 	log.Info("Starting Grafana")
 	log.Info("Version: %v, Commit: %v, Build date: %v", setting.BuildVersion, setting.BuildCommit, time.Unix(setting.BuildStamp, 0))
 
-	setting.NewConfigContext()
+	initRuntime(c)
+
 	social.NewOAuthService()
-	sqlstore.NewEngine()
-	sqlstore.EnsureAdminUser()
 	eventpublisher.Init()
 
 	var err error