Updated movshare flv parsing regex

Updated movshare flv parsing regex and changed caught exception from URLError to HTTPError (HTTPError has .code, URLError does not).
Removing vidx.py and using vidxden.py instead

vidx.py depends on vidx.to, which no longer seems to be working as expected. vidxden.py is working for most sources once fixed.
Updated vidxden.py

Removed the useragent string from the returned URL, which fixes some sources. Changed URLError to HTTPError to allow access to .code attribute. Changed the default Y position for the captcha to 0 to make it easier to read difficult captchas after the 3 second delay for keyboard popup.
Removed non-error/debug log line from divxstage.eu
Merge pull request #172 from jkadin/master

Fixes for movshare and vidx/vidxden