mightyupload,180upload,streamcloud,vidplay changes

180upload: 1st try embed link to avoid captcha
mightyupload: fix
streamcloud: avoid waittime
vidplay: update "File Not Found" pattern
created the captcha library and changed all the resolvers to use them
remove some print statements I left behind (As well as some others)
quick fix to nonexistant reference to error_log and minor improvement to
resolution code
bestreams now requires cookies embedded in the page be passed in order
to work
minor fix to nowvideo to throw the right eror when video is removed
Merge pull request #199 from Lynx187/resolver-changes

mightyupload,180upload,streamcloud,vidplay changes
Merge pull request #204 from tknorris/master

created the captcha library and changed all the resolvers to use them
fix bug in bu host check
remove print
Merge remote-tracking branch 'upstream/master' into autoloader_2
fixed flashx plugin
fix flashx.tv errors
add to as a tld for vidxden
update vidxden to use captcha_lib and jsunpack
Updated documentation
Merge pull request #205 from tknorris/master

fix bug in bu host check
Fixed played.to for additional regex of /embed-id-
Update allmyvideos.py
Update cloudy.py

'cloudy.' in host
... to make sure it doesn't catch similar domains not handled.