libwebsockets: bump version to v1.4-chrome43-firefox-36

dropped upstream patch 0001
renamed patch 0002 -> 0001
added hash
details : https://github.com/warmcat/libwebsockets/blob/master/changelog



Signed-off-by: Sagaert Johan <sagaert.johan@proximus.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>