Make "svn add" skip nonexistent items with a warning.  Use svn_cl__try to simplify the handling of warnings.  This is part of issue #2030: "Errorful targets should be skipped, not end the entire operation".
Make "svn add" skip nonexistent items with a warning.  Use svn_cl__try to
simplify the handling of warnings.  This is part of issue #2030: "Errorful
targets should be skipped, not end the entire operation".

Patch by: Vivek C. <vivek@collab.net>

* subversion/clients/cmdline/add-cmd.c
  (svn_cl__add): Warn if path not found; use svn_cl__try.

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