curl -sS https://getcomposer.org/installer | php
mv composer.phar /usr/local/bin/composer
composer global require "laravel/installer=~1.1"
# edit .bash_profile
vi .bash_profile
# add the following line
export PATH=~/.composer/vendor/bin:$PATH
# restart terminal
http://code.tutsplus.com/tutorials/quick-tip-installing-laravel-5--cms-23160