Test connection to google and show a warning
Moved functions to google-analytics class
Merge branch 'trunk' into stories/PVW/testconnection
Merge branch 'trunk' of github.com:Yoast/google-analytics-for-wordpress into stories/PVW/testconnection

Conflicts:
	admin/pages/settings.php
Change text label
Merge pull request #243 from Yoast/stories/PVW/testconnection

Test connection to google and show a warning