trivial: Update website with a new user
Make colormgr script friendly by allowing filtering

Two new flags have been added, for example:

$ colormgr get-devices-by-kind display --filter=model,object-path,owner

object-path:/devices/xrandr_Hewlett_Packard_HP_LP2480zx_3CM82200KV_hughsie_1000
owner:hughsie
model:HP LP2480zx

$ colormgr get-devices-by-kind display --filter=mode --only-value

HP LP2480zx