some older changes for release 0.5.0

Moved code into svn, added _add_servers calls, fixed major bug in task interface

fixed php docref calls, updated setClientCallback to setDataCallback

changed GearmanClient::errno to GearmanClient::getErrno

added exceptions, few small bug fixes

Initial PECL push

added extension version, and fixed a few example scripts

Fixed a bunch of doc issues, and a few small typos. Added failed cb to example

cleaned up example code a little

added examples/image_resize_client_task.php

fixed a few return values. modified examples, removed classify_* and gd_* examples

changed PHP_ME_MAPPING so that it will build on older php 5 installs. Updated test program so that it uses new ->return_code()

changed RETURN_NULL_STRING to RETURN_EMPTY_STRING

added gearman_*_return_code, changed several functions to return bool instead of gearman_return_t

fixed an issue in callback func with fci struct for 5.3 Also replaced ZVAL_ADDREF with the new Z_ADDREF_P so that it will build clean on 5.3. Other small code cleanup

swapped out E_ERROR with E_WARN. Also made RETURN_FALSE the default for most error/warnings

had comments starting with # should have been dnl

made all failed args return NULL was a mix of NULL and FALSE. Added ';' to every RETURN_* call. Added some missing '&' to unique in a few place to fix a bad copy. I will need to change some of the E_* return values in places, still need to sort that out

cleaned up some comments and ifdefs

forgot to ifdef out gearman_job_set_return

added the last of the PECL proto comments

added most of the PECL required comments, also fixed a small bug or two

changed indent style to K&R for PECL push

merged to trunk

house keeping