bug-67: read native tongue from the default lang
bug-69: add google analytics to wikicards
Merge pull request #20 from john-hu/bug-67-read-native-tongue

bug-67: read native tongue from the default lang, r=thomas
Merge pull request #21 from john-hu/bug-69-analytics

bug 69: add google analytics to wikicards, r=thomas
Bug 73 add link to change logs and reporting form in settings
Merge pull request #23 from john-hu/bug-73-link-others

Bug 73 add link to change logs and reporting form in settings, r=thomas
bug-61: add network monitor utils and disable few language when we don't
have internet connection.