* Use composer.phar first and self-update it.
* Ansi output for interactive shells.
If HOME isn't writable, set COMPOSER_HOME.
Simulated cron with env -i
* More verbose failures when attempting to download composer.phar.
* Change the regex again
Matches all versions here https://getcomposer.org/download/
* Prep for composer changes
* Update composer.json, composer.lock and a small update to phpmailer and Yaml
* Prevent accidental `composer update` runs
* Add --no-interaction to daily.sh
* Move install to php53 branch if running an unsupport version of PHP
* Update validate
* Move PHP version check after update check. This will prevent us from moving no update users to the php53 branch.
Hopefully if daily.php -f update fails it returns a non-zero and we can move them to the php53 branch still.
* Wiggle things around more.
* Also, send release installs to the php53 branch.
* Set notification error for old PHP version.
