Merge pull request #30 from mulesoft/MULE-6997

MULE-6997 - changing MuleContext.handleException to avoid calling flow e...(cherry picked from commit 63cba13fbfd9e1afaaf72a379fc886cc2404d4f0)
(cherry picked from commit e578ed8c9a14557263d3044d763445653c3f9b0a)