BG: update to the strings
CS: update to the strings
CA: update to the strings
DE: update to the strings
EO: update to the strings
ES: update to the strings
FR: update to the strings
RU: update to the strings
IS: update to the strings
IT: update to the strings
NB-NO: update to the strings
NL: update to the strings
PL: update to the strings
PT-BR: update to the strings
RO: update to the strings
ZH-CN: update to the strings
Merge pull request #1102 from tobiasd/newstrings20140906a

updating message.po and string.php