TumblrIE: fix title matching
Merge pull request #815 from JohnyMoSwag/master

Update for new source links on worldstarhiphop.com
InfoExtractors: fix some regular expressions where dots weren't escaped
InfoExtractors: use _download_webpage in more IEs

IEs without tests are intact.
TEDIE: report the correct talk title when a link with the language code is given
Merge remote-tracking branch 'upstream/master'
Fixed typo