primitivus (contact list): fixed notifications counter for mentions: notifications counter was not properly counting mentions and was not changing colour as expected, this patch fixes this and changed colour to the more readable light red when not focused. fixes 319

# XXX: the Monkey Patch is here and not in src/__init__ to avoir issues with pyjamas compilation
# TODO: remove this when changes are merged in Wokkel
from sat_tmp.wokkel import install
install()