Log Message:
Update to 1.3.0

Upstream changes:
Changelog:

Added composer support.

Added Travis CI test support.

Updated code to use PHP 5 method signatures.

Implemented requests:
* #17888, #17865: Reduce peak memory usage when using the smtp/smtpmx backend [alec]
* Ability to pass socket options to Net_SMTP

Fixed bugs:
* #18109: New "pipelining" parameter for SMTP backend never used [alec]
* #17317: Invalid periods in mailbox not marked as invalid [alec]
* #17388: Deprecated assigning the return value of new by reference [alec]
* #17866, #20424, #12071, #17553: Non-static method \ 
Mail_RFC822::parseAddressList called statically [alec]
* #17178: Mail_RFC822::parseAddressList does not accept RFC-valid empty-group \ 
syntax [alec]