add an "xml" option to generic_poll_text
add an "xml" option to generic_poll_text

Someone who isn't so lazy might be able to write an xmltodict
implementation so everyone doesn't have to install it, but it's in ubuntu
packages, so that's fine :)

Signed-off-by: Tycho Andersen <6b523322678240882acbb4da5312a12d8cd0082d@tycho.ws>

cortesi/qtile,ramnes/qtile,zordsdavini/qtile,soulchainer/qtile,kynikos/qtile,qtile/qtile,soulchainer/qtile,tych0/qtile,cortesi/qtile,tych0/qtile,frostidaho/qtile,flacjacket/qtile,flacjacket/qtile,ramnes/qtile,kynikos/qtile,qtile/qtile,zordsdavini/qtile,frostidaho/qtile