add fixed product id for Azure PowerShell.msi
add GB18030 compliance test for blob cmdlets:
upload blob
download blob
copy blob
Merge branch 'storage' into GB18030Test
Merge branch 'storage' into GB18030Test
Merge branch 'storage' of https://github.com/xmbms/azure-sdk-tools into GB18030Test
Merge branch 'GB18030Test' of https://github.com/andyzhangx/azure-sdk-tools into GB18030Test