moved docs and updates generation scripts from gh-pages branch to devscripts
addedd a serious Public Domain dedication, see http://unlicense.org/
three small edits

* ask for a --verbose log when reporting bugs in README.md
* re-enable Escapist test, seems stable now
* check that we are not downloading multiple videos when the template is fixed (NOT a complete fix: not detecting playlists)
Ok, the Escapist test was passing only in my Travis repo, do not ask me why; also, a small bugfix to the latest commit
SteamIE
Test for steam
Merge pull request #612 from jaimeMF/steamIE

SteamIE
In tests.json file and md5 join in a 'files' list to handle multiple-file IEs
ustreamIE
credit @jaimeMF
typo
Revert "In tests.json file and md5 join in a 'files' list to handle multiple-file IEs"

This made the JSON structure really unreadable and was a quick fix.

This reverts commit 6535e9511fc18eee2fc640c77fd42a4a39791915.
Adapt test_download to support playlists, and remove race conditions
Simplify test parameter initialization
Move gen_extractors to InfoExtractors
Remove superfluous IE names
ExtractorError for errors during extraction
_download_webpage helper function
Simplify some IEs
add test for infoq