async upates, loading indicator, refreash event
Merge branch 'master' of https://github.com/belczyk/elasticops

Conflicts:
	src/ElasticOps.Model/ClusterInfo.cs
	src/ElasticOps.Model/obj/Debug/ElasticOps.Model.csproj.FileListAbsolute.txt
	src/ElasticOps/ElasticOps.csproj
	src/ElasticOps/ViewModels/ManagmentScreens/BasicInfoViewModel.cs
	src/ElasticOps/ViewModels/ManagmentScreens/ClusterInfoScreenViewModel.cs