Merge pull request heroku#207 from heroku/develop

v119

Merge pull request heroku#204 from heroku/develop

v118

Merge pull request heroku#193 from heroku/develop

v117

Merge pull request heroku#191 from heroku/develop

v116

Merge pull request heroku#188 from heroku/develop

fix require-dev array edge case

v114 date

Merge pull request heroku#185 from heroku/develop

v113

really use Composer/1.2.1

do not optimize ext-phalcon builds heavily

standard installer flags target CPU specific extensions that prevent portability

v110 date