Adding velocity-tools EscapeTool to able to escape certain data element to prevent XSS #339
Merge pull request #340 from hluu/master

Adding velocity-tools EscapeTool to able to escape certain data element to prevent XSS #339
Use customized classloader to load validator's classpath. This prevents the classpath collision between the validators and Azkaban webserver's own classpath.
Clean up the code.
Format the display of the messages generated by Byte-Ray validator plugin.
Remove the customized classloader as the gradle shadow plugin can resolve the classpath collision issue without changing Azkaban code. Undo the changes leaving only the necessary few lines of changes.
Adding comments explaining the usage of Props in XmlValidatorManager.
Merge pull request #341 from Victsm/validator-plugin

Use customized classloader to load validator's classpath. This prevents ...