Prefix compatibility definitions with "svn-".
Prefix compatibility definitions with "svn-".

* contrib/client-side/psvn/psvn.el
  (point-at-eol, point-at-bol, read-directory-name, puthash):
    Renamed...
  (svn-point-at-eol, svn-point-at-bol, svn-read-directory-name, svn-puthash):
    ...to these, per (elisp)Coding Conventions.  All callers changed.

  (svn-status-diff-mode): If the Emacs doesn't support diff-mode,
    then don't call it and don't fontify according to the mode.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion