Only trigger TravisCI timeout workaround when really on TravisCI
Merge pull request #240 from fabiang/travis-timeout

Only trigger TravisCI timeout workaround when really on TravisCI
Removed the php53 snapshot since it's eol
Removed old php 5.4 definitions
Added php 5.4.35, 5.5.19, and 5.6.3
Merge pull request #243 from GrahamCampbell/new

Added php 5.4.35, 5.5.19, and 5.6.3
Merge pull request #242 from GrahamCampbell/php54

Removed old php 5.4 definitions
Merge pull request #241 from GrahamCampbell/php53

Removed the php53 snapshot since it's eol