MULE-7630: FileToByteArray transformer conflicts with ObjectToByteArray

Changed supported source types of FileToByteArray and FileToString transformers
MULE-7623: Keep original directory name at originalDirectory inbound proprty and make originalFilename and originalDirectory properties available when the moveToPattern is resolved.
Merge pull request #733 from mulesoft/MULE-7623

MULE-7623: Keep original directory name at originalDirectory inbound pro...
Merge pull request #732 from mulesoft/MULE-7630

MULE-7630: FileToByteArray transformer conflicts with ObjectToByteArray
MULE-7629: Fix test by resolving symbolic links when checking the original directory property.
Merge pull request #734 from mulesoft/MULE-7629

MULE-7629: Fix test by resolving symbolic links when checking the origin...
MULE-7632 - update jetty transport to use MessageProcessingMananger
Merge pull request #738 from vromero/dev/vromero/bug/MULE-7263

MULE-7263 MULE_REMOTE_CLIENT_ADDRESS variable gets the wrong value when ...
Merge pull request #735 from mulesoft/MULE-7632

MULE-7632 - update jetty transport to use MessageProcessingMananger
MULE-7633 MuleBaseVariableResolverFactory cannot assume that nextFactory.getVariableResolver() will return null if variables doesn't exist.
Merge pull request #739 from mulesoft/MULE-7633

MULE-7633 MuleBaseVariableResolverFactory cannot assume that nextFactory...
Revert "MULE-7263 MULE_REMOTE_CLIENT_ADDRESS variable gets the wrong value when http requests are proxied"

This reverts commit 830dd449485444cbf69875d2275c7f09f09f486e.
MULE-7263 MULE_REMOTE_CLIENT_ADDRESS variable gets the wrong value when http requests are proxied. Test fixed.