Bug 859282 - change top banner to be in Greek
Merge pull request #807 from pascalchevrel/bug-859282_greek_15years_campaign

Bug 859282 - change top banner to be in Greek
Stop unnecessary calls to cache for default lang l10n.
Merge pull request #809 from pmclanahan/fix-default-lang-trans-calls

Stop unnecessary calls to cache for default lang l10n.