Migrated fix for serializing double values from 3.0 branch.
Migrated fix for serializing double values from 3.0 branch.

godbyk/vrjuggler-upstream-old,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,godbyk/vrjuggler-upstream-old,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler