[milo] build_source -> buildSource.

milo/buildsource/rawpresentation/logDogBuild.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
-package raw_presentation
+package rawpresentation
 
 import (
         "fmt"
         "time"
 
         "golang.org/x/net/context"
 
         "github.com/luci/luci-go/common/clock"
         "github.com/luci/luci-go/common/proto/google"
         miloProto "github.com/luci/luci-go/common/proto/milo"
@@ skipping 209 matching lines @@
         for _, prop := range mainAnno.Property {
                 propGroup.Property = append(propGroup.Property, &resp.Property{
                         Key:   prop.Name,
                         Value: prop.Value,
                 })
         }
         build.PropertyGroup = append(build.PropertyGroup, propGroup)
 
         return
 }