Refs #2135 fixing CSS/image which wasnt big enough for German button label
Adding Chrome mobile icon (ideally we need a unit test to check we have icons for all browsers/OS referenced in the UserAgentParserEnhanced)
Refs #3612
Small fixes [ciskip]
Enabling PDF tests on php 5.4 only, rather than 5.3, so I can create the test files on my computer and have green travis - hopefully that works!