PHP/5.5.20RC1
update composer to 1.0.0-alpha9 and remove self-update on deploy
do not echo extension ini names on install, it's useless info
do not echo 'install' of enabled by default extensions; too much info now that we're reading from composer.lock
remove extra 'ERROR:' prefix and rephrase message
cut messages to max length of 65 to take HTTPS Git's 'remote: ' prefix into account