fixed: Some http servers provide different content when the range request header is not set causing seeking to fail. To fix this use CURL_OPT_RANGE method instead of CURLOPT_RESUME_FROM_LARGE
Merge pull request #2187 from arnova/curl_seek_fix

changed: Some (Silverlight) servers don't play nice with CURLOPT_RESUME_...
AE: clip max Buffersize to factor 4 of periodSize because of broken hw