refs #3726 adding reports for browser language of visitors
refs #3726 small test for method to get language from browser setting
refs #3726 fixing test
added phpunit.xml to .gitignore
added config.ini.php to .gitignore
Merge branch 'master' of github.com:piwik/piwik

Conflicts:
	.gitignore
we should at least expect 400 translations now, as translations for language names, countries, days and months have been imported
refs #3726 added language names to translations
refs #3726 small improvements to detection method
Merge branch 'master' of github.com:piwik/piwik

Conflicts:
	.gitignore
Merge branch 'master' of github.com:piwik/piwik
Merge branch 'master' of github.com:piwik/piwik
Merge branch 'master' of github.com:piwik/piwik