enable upload/download blob from Buffer
add batchoperation for concurrent rest call
download/upload files which is more than 64MB
add missed code comments
don't upload redundancy block
clean source code and ready for reviewing
blob range stream work with single block/page blob
add speed summary for parallel download/upload and apply jslint checking rules
limit the concurrent rest calls and fix deadlock when concurrent=1
apply review comments
Batch operation could pause and resume in order to limit the memory usage
log with timestamp
Merge branch 'storage' of https://github.com/xmbms/azure-sdk-for-node into storage
add debug logs
Enable queue operation and extend the concurrency capacity
Merge pull request #893 from WindowsAzure/master

Release 0.7.11 merge master to dev
temp check in for debugging
temp checkin for linux
temp check in
check in for cross platform