* libobjc/objc/deprecated: New directory.
* libobjc/objc/deprecated/README: New file.
* libobjc/objc/README: New file.
* libobjc/objc/typedstream.h: Moved into objc/deprecated/typedstream.h;
objc/typedstream.h replaced with a placeholder including the file
from the deprecated/ directory.
* libobjc/objc/deprecated/objc-unexpected-exception.h: New file with the
definition of _objc_unexpected_exception.
* libobjc/objc/objc-api.h: Include deprecated/objc-unexcepted-exception.h
instead of defining _objc_unexpected_exception.
* libobjc/objc/deprecated/Object.h: New file with the deprecated Object
methods in a 'Deprecated' category.
* libobjc/objc/Object.h Include deprecated/Object.h instead of defining
the deprecated methods.
* libobjc/Object.m: Moved deprecated methods into 'Deprecated' category.
* libobjc/objc-private: New directory.
* libobjc/objc-private/README: New file.
* libobjc/Makefile.in (OBJC_DEPRECATED_H): New variable.
(install-headers): Create installation directory for
OBJC_DEPRECATED_H headers, and install them.
From-SVN: r164153
