Remove static names for service, storage account, etc.
Add cleanup methods.
Remove dependencies on local settings and local files.
Remove wrong commit files
Fix functional tests
Fix SaveAzureVhdTest
Disable AzureVNetGatewayKeyTest.
Fixed the issue: AzureStorageKey test changes a storage key, which affects the pass of other tests.
Merge remote-tracking branch 'remotes/hyonho/dev' into dev
Merge RDFE36 Test changes from hyonho
Merge RDFE36 Test changes from hyonho