[AC21.4] cc-mode manual patch from Shyamal Prasad

NOTE: This patch has been committed. This should go into 21.4 as well. man/ChangeLog addition: 2004-10-17 Shyamal Prasad <shyamal(a)member.fsf.org&gt; * xemacs/programs.texi (Program Modes): Updated it to reflect current status of programming modes. * xemacs/programs.texi (CC Mode): New section introduces CC Mode. Introduces customization with reference to CC Mode manual. Also introduce C/AWK modes in prog-modes package * xemacs/programs.texi (C Ident): Removed - it was obsolete. prog-modes package documentation now contains indentation description for old C mode * xemacs/major.texi (Mode Hooks): Add description of major mode hooks. Cleaned up and updated programming mode descriptions. * xemacs/xemacs.texi (Top): Updated Detailed Node listing for new CC Mode section in programs.texi