[O] patch Makefile - show valid org-mode targets

[Jude DaShiell]

diff -c ./a//Makefile ./b//Makefile
*** ./a//Makefile       2011-07-03 11:06:04.000000000 -0400
--- ./b//Makefile       2011-07-05 05:22:13.000000000 -0400
***************
*** 513,515 ****
--- 513,530 ----
  lisp/org-w3m.elc:     lisp/org.el
  lisp/org-wl.elc:      lisp/org.el
  lisp/org-xoxo.elc:    lisp/org-exp.el
+ # describe valid make targets for org-mode.
+ targets help:
+       @echo "Available targets for org-mode are as follows:"
+       @echo "make all - compile org lisp and documentation"
+       @echo "make install - install org"
+       @echo "make install-lisp - install org-mode lisp files"
+       @echo "make install-info - install org info file"
+       @echo "make install-info-debian - install info on old debian systems"
+       @echo "newer debian systems use ginstall"
+       @echo "make update - start org-mode update process with git pull"
+       @echo "make up2 - finish update to org on local system"
+       @echo "make compile - compile lisp files"
+       @echo "make doc - make documentation"
+       @echo "make pdf - make org-mode pdf documentation"
+       @echo "make card - make org-mode reference cards"