Document Translation Update

• Work with Managed Identity permissions to the storage account, in addition to SAS token access. This means you may restrict access to your - Azure storage resource to specific clients, plus the Translator resource.
• Fixed command line functionality allowing setting of region and endpoint, as well as the config test command via CLI.
• Better error reporting during translation runs.
• Added About box to show build details and version
• Avoid file open errors on upload - Thanks to @DavidMarquezF
• Respect locally stored flight string even when authenticating via Key Vault
• Don't crash when uploading glossaries with duplicate file names
• Refreshed zip file for non-Windows installations