\ZipArchive vs. \ZIPARCHIVE
as vs. AS in foreach loops
simplified a use statement
removed lots of trailing whitespace
reduced multiple empty lines to exactly one
Improving help test for setting trust_visitors_cookies
Disable Zend allocator on travis for PHP version == 5.3 since it causes random segfaults.
Fix last commit (move export to before_install in .travis.yml).
Make sure TRAVIS_PHP_VERSION check does not fail and stop build.
Merge pull request #5872 from craue/code-cleanup-3

code cleanup
fixes #5313 Visitor Profile log tooltip did not use the black background
refs piwik/developer-documentation#14 test to see if the since tag is visible if before api
refs #5854 display unlocated count of regions and cities in map title
refs piwik/piwik-mobile-2#4688 added translation key
Merge branch 'master' into tests_refactor

Conflicts:
	tests/PHPUnit/IntegrationTestCase.php
Remove travis debugging code.