report about SASL support
php_memcached.c added connect timeout variable
php_memcached.h added connect timeout
php_memcached_session.c added connect timeout
memcached.ini added connect timeout
2012 holidays note
Add missing memcached.use_sasl ini option to doc.
Add in missing setSaslAuthData to api doc.
Add notes on building to README.
Enable SASL support by default if detected.
Warn if trying to use SASL when memcached.use_sasl is off.

Without this, a far less helpful error message from the underlying
libmemcached library would be reported.
Removed memcached.sess_consistent_hashing option.

1. Removed memcached.sess_consistent_hashing which is a lesser version  of memcached.sess_consistent_hash
2. Added default value for memcached.sess_consistent_hash
Merge pull request #52 from memcachier/saslwarn

Warn if trying to use SASL when memcached.use_sasl is off.
Merge pull request #43 from remicollet/issue-infosasl

report about SASL support
Merge pull request #50 from memcachier/readme

Add notes on building to README.
Removed unused memcached.ini option

After the merge of commits 5ff9516240 and faf84af789
the memcached.sess_num_replicas option is no longer used
Merge pull request #49 from memcachier/doc

Document SASL support
Merge pull request #64 from Vendini/Remove_ini_option

Removed unused memcached.ini option
Merge pull request #42 from poison/master

Fixed getServerByKey function
Merge pull request #45 from xoJIog/master

add connect timeout option to memcached.ini