From: Ismael Mejia <iemejia@gmail.com>
Date: Thu, 8 Aug 2013 16:30:04 +0000 (+0200)
Subject: [subtitles] Skips now the subtitles that has already been downloaded.
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;ds=sidebyside;h=d55de6eec2adf7d1aaca87e75dad06ef15d9be26;hp=d55de6eec2adf7d1aaca87e75dad06ef15d9be26;p=youtube-dl

[subtitles] Skips now the subtitles that has already been downloaded.

Just a validation for file exists, I also removed a method that wasn't
been used because it was a copy paste from FileDownloader.
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