OPENAM-4147: Clarify OpenID Connect 1.0 vs. OAuth 2.0

Preparation to work on the issue (formatting only, no changes to content in this commit)

git-svn-id: https://svn.forgerock.org/openam/trunk@10119 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d