link LQ and HD-MP4s in the download-section
currently only Hackover13 has its LQ-Files registered in the media
database but this may or may not change, in the near future,
at the latest on the 31C3
Merge pull request #14 from MaZderMind/link-lq-and-hd-in-download

link LQ and HD-MP4s in the download-section
provide a separate downloads-page per event that works without js
it has the same look and feel as the original downloads-tab and will
usual not be accessed when javascript is available. without these
changes it's not possible to download files from the gui without
javascript.
fix linking
put timecode in hash on pause, read from hash on load
format is #video@123, where 123 is number of seconds played into the
video. this requires #15 for the download-tab to keep working without
javascript