Merge pull request #856 from mulesoft/MULE-7757

MULE-7757: Deprecate OGNL module in 3.6.
MULE-7757: Deprecate OGNL module in 3.6.
Merge branch 'mule-3.x' of https://github.com/mulesoft/mule into MULE-7757

Conflicts:
	modules/ognl/src/main/java/org/mule/module/ognl/config/OGNLNamespaceHandler.java