Backported from 1.1 to 1.0.15.Final fix for WFLY-3385 (when using jsp:include the jsp:param being encoded at the included jsp)

https://github.com/undertow-io/undertow/commit/85edc150c558eaa42bae8b2c9869fcc758d39a2c
Merge pull request #244 from gmarziou/Backport_fix_WFLY-3385

Backported from 1.1 to 1.0.15 fix for WFLY-3385 (when using jsp:in...