fisrt version of multi-thread get-containers
Use cancellationToken and set default connection limit
add shouldprocess and comments
Merge branch 'storage' into stabletask
add comments for ConfirmTaskCompletionSource
data movement with task
set azure storage blob content
multi-thread for blob/container cmdlet
Merge branch 'storage' into work
Use local Channel for task and enable unit test
Fix dead lock when ctrl + c with data movement library. Improve the progress output
improve the output performance
copy name to local variable for new-container
apply review comments
Use enum for service type and metrics type
merge storage branch
catch exception in finish callback
catch exception in finish callback
fix wildcard filter bug in get-blob
Use enum for container permission and metricslevel