DataWeave - Support 2.2.1 
===========
Update: 2.2.1-CH-20200707

## Patches Release Notes

| Issue | Description |
|------------|----------------|
|**SE-12393**|Improve performance of data format lookup and include property to avoid verbose error messages.|
|**SE-12627**|Fixes camel case writer properties need to be handled in lower case.|
|**SE-12654**|Allow streaming in excel format.|
|**SE-12733**|Fix import a mule connector module from another module|
|**SE-13052**|Fix failure to read/transform several consecutive escaped backslashes|
|**SE-13440**|Fixes OOM issue affecting the Batch Aggregator.|
|**SE-14223**|Fixes writer properties not working in Logger|
|**SE-14631**|Fixes NPE and selecting same part content of different types multiple times should return same content that is in the multipart.|
|**DW-112**  |Security fix.|
|**SE-13423**|Fix flatfile can't write dw keys as values|
|**SE-15834**|Don't store the inferred type as outputMimetype but as a property. So that TypedValues always return the typed value.|
|**Fix DW-184**| Write function should keep the correct mimeType|