[TECHNICAL-SUPPORT | February 17] LPS-44123 Portlets ignore property "index.search.highlight.enabled"

Hey Eudaldo,

https://issues.liferay.com/browse/LPS-44123

Here comes the 1st part of https://github.com/ealonso/liferay-portal/pull/129 according to our discussion https://github.com/ealonso/liferay-portal/pull/129#issuecomment-35074715.

Next, I'm going to fix https://issues.liferay.com/browse/LPS-44122 on top of this pull.

Passed manual testing on all affected portlets.

Regards,
Tibor