gdcvault: implement login

* since there is a limited number of usable concurrent sessions
we force a logout on exit.

Signed-off-by: François Revol <revol@free.fr>
gdcvault: use is_on_page() call

Signed-off-by: François Revol <revol@free.fr>
videoob: stop the video when closing with ESC

At least here the player widget continued playing in the background
when closing the window with ESC, it seems it's actually only hidden.

Signed-off-by: François Revol <revol@free.fr>
Add BrowserBanned in import
autopep8 with 120 chars line length on my modules
verified autopep8 on qcineoob, cineoob, suboob, booblyrics, cookboob
new application qcookboob, in progress
[cuisineaz] better thumbnail url obtention
[qcookboob] operationnal
[qcookboob] useless import
qcookboob in setup and makefile
[cuisineaz] strip accents in pattern
[wordreference] dirty fix for a dirty website
[qcookboob] cosmetic fixes
[qcookboob] search by id
cookboob backends : handle bad id
[qcineoob] search by id
[qcookboob] undo previous modif on backends, exceptions  are handled by app
[piratebay] unescape title
finaly handle BrowserHTTPNotFound in backend browsers
[qcineoob] set pictures sizes