revert network client change
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Update help texts
Revert "revert network client change"

This reverts commit f703dca0ffc28393f8437e486913267306c92ee2.
Merge pull request #124 from huangpf/dev

Help Text Update