Add 'post' action to MUCC.
Add 'post' action to MUCC.

* subversion/contrib/client-side/mucc.c
  (): Added/tweaked comments throughout this file.
  (get_operation): Use apr_pcalloc() instead of apr_palloc().
  (struct operation): Add new 'src_file' member.
  (usage): Note new 'post' action.
  (drive): Handle new post operations.
  (build): Add new 'src_file' parameter.  Callers updated.  Recognize
    new post actions, and build the operation accordingly.
  (struct action): Add new enum value ACTION_POST.  Rename 'url' array
    to 'path' (users updated).
  (execute): Handle new ACTION_POST action.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@863437 13f79535-47bb-0310-9956-ffa450edef68

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