When using qt in a different language than english, it shows the copyright string twice:

ar:
![screenshot from 2016-06-29 22-38-39](https://cloud.githubusercontent.com/assets/6399679/16468027/4f8b3f16-3e4a-11e6-8196-ab4f64dc3a69.png)

en:
![screenshot from 2016-06-29 22-38-30](https://cloud.githubusercontent.com/assets/6399679/16468028/4f918042-3e4a-11e6-994e-7ad8f6235acc.png)

return std::string(message) + std::string("\n\n");
}
std::string HelpMessageOpt(const std::string &option, const std::string &message) {
    return std::string(optIndent,' ') + std::string(option) +
           std::string("\n") + std::string(msgIndent,' ') +
           FormatParagraph(message, screenWidth - msgIndent, msgIndent) +
           std::string("\n\n");
}
static std::string FormatException(const std::exception* pex, const char* pszThread)
{
#ifdef WIN32
    char pszModule[MAX_PATH] = "";
    GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
#else
    const char* pszModule = "bitcoin";
#endif
    if (pex)
        return strprintf(
            "EXCEPTION: %s       \n%s       \n%s in %s       \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
    else
        return strprintf(
            "UNKNOWN EXCEPTION       \n%s in %s       \n", pszModule, pszThread);
}
void PrintExceptionContinue(const std::exception* pex, const char* pszThread)
{
    std::string message = FormatException(pex, pszThread);
    LogPrintf("\n\n************************\n%s\n", message);
    fprintf(stderr, "\n\n************************\n%s\n", message.c_str());
}
boost::filesystem::path GetDefaultDataDir()