browser2: Browser load urls, post, track state
browser2: Browser load urls, post, track state

With working tests!

sputnick-dev/weboob,frankrousseau/weboob,frankrousseau/weboob,laurent-george/weboob,willprice/weboob,Boussadia/weboob,yannrouillard/weboob,nojhan/weboob-devel,Boussadia/weboob,sputnick-dev/weboob,RouxRC/weboob,laurent-george/weboob,willprice/weboob,Konubinix/weboob,Boussadia/weboob,willprice/weboob,yannrouillard/weboob,RouxRC/weboob,Boussadia/weboob,nojhan/weboob-devel,yannrouillard/weboob,Konubinix/weboob,laurent-george/weboob,RouxRC/weboob,frankrousseau/weboob,Konubinix/weboob,nojhan/weboob-devel,sputnick-dev/weboob