Fix CurlFile::Exists/Stat for check ftp directory with proper cwd method.
Fix double append to m_curlAliasList bug by NULL check.
Fix memory leak, Exists/Stat allocated resource not released correctly.
Make sure call CurlFile::Exists with url path ends with slash for ftp dir.
Merge pull request #2279 from ulion/fix_curl_slist

Fix curl slist related double append and memory leak
Merge pull request #2274 from ulion/fix_curl_exists_stat_for_ftpdir

Fix CurlFile::Exists/Stat for check ftp directory with proper cwd method.
refresh the correct video viewed in the video info dialog (fixes #13676)
Merge pull request #2308 from Montellese/13676_video_refresh

refresh the correct video viewed in the video info dialog (fixes #13676)