Update media adding, to allow youtube import, and display the thumbnail when we paste the youtube url.
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^web/index$
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^web/log$
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^virtualenv/web/env/
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.*\.pyc$
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^virtualenv/web/project-boot\.py$
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^web/ldtplatform/config\.py$
^web/ldtplatform/\.htaccess$
^web/\.htaccess$
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^virtualenv/web/distribute-0\.6\.14\.tar\.gz$
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^src/ldt/Ldt\.egg-info$
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^src/ldt/dist$
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^web/static/media/ldt$
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^virtualenv/setup/project-boot\.py$
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^virtualenv/setup/env/
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^src/ldt/build$
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^src/ldt/ldt\.egg-info$