Fix Ruby bindings installation and also make the make output more informative.
Fix Ruby bindings installation and also make the make output more informative.

* Makefile.in (INSTALL_EXTRA_SWIG_RB): Insert a $(MKDIR), and some echos.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@854055 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion