[TECHNICAL-SUPPORT] LPS-39666 Fixed typos in javadoc, rebased, regenerated

Hey Nate,

You have this open pull from Sergio: https://github.com/natecavanaugh/liferay-portal/pull/1682
As he added SF to the "Javadoc" commit only, to have a cleaner state, I rebased my branch to the latest master, fixed the typos, preserved Jim's sentence and re-built the services.

Feel free to use it to review.

Best,
Tibor