* Prompt for password once when the sql instance password doesn't work for hdfs. If the user provides the correct password, connect and continue, else show Unauthorized node.
* Removed the hardcoded bad password
* Added check for empty folder scenarios
* Added ErrorStatusCode as property of TreeNode. Checking for the error code instead of the error string to avoid localization issues
* type fixed
* implemented hasExpansionError
* pulling max bytes of data through the webhdfs api
* Added warning message for the Users to inform the data truncation.
* Updated the warning message on the notification flyer.
Maddy