Merge pull request #179 from varghesethomase/fx10

fixed link to badge #170
Updated twitter card info
German review 2
Merge pull request #181 from MichaelKohler/germanreview2

German review 2
Merge pull request #180 from mozillavenezuela/master

Updated twitter card info
Updated messages.properties

added new strings improved translations
Updated messages.properties

Added new strings,  translations improved
Updated messages.properties
Updated messages.properties

Translated Footer
Updated messages.properties

Added translations to #Share
Updated messages.properties

#Phase3 String additions and translations
Merge pull request #183 from MYaseenAKAKhan/master

Added new strings and translations, Improved old translations
fixed video #175