Travis: update scripts to reflect changes on ezpublish-community#119
Travis: set PHP version to 5.4
Merge pull request #71 from MLoureiro/update_travis_scripts

[WIP] Travis: update scripts to reflect changes on ezpublish-community#119
EZP-22732: add canonical link only if mainLocationId exists
Merge pull request #72 from flovntp/canonical

EZP-22732: add canonical link only if mainLocationId exists