update strings for train 16
Merge pull request #20 from mozilla/merge-templates-train-16

update strings for train 16
Commit from Mozilla Verbatim by user michael.koehler1@gmx.de.: 163 of 163 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user amanpreet.alam@gmail.com.: 159 of 163 strings translated (4 fuzzy).