Revise build instructions to reflect deprecation of Project Builder projects, and elevation of the Xcode projects.
Revise build instructions to reflect deprecation of Project Builder projects, and elevation of the Xcode projects.


git-svn-id: 95233098a850bdf68e142cb551b6b3e756f38fc7@175459 13f79535-47bb-0310-9956-ffa450edef68

svn2github/xerces-c,svn2github/xerces-c,svn2github/xerces-c,svn2github/xerces-c,svn2github/xerces-c