show actual notification in halo

Change-Id: I29f73c2714e3854f1d885c56baaef5552be2ff91
halo multitouch, interactive notifications

Change-Id: I710fddb53688923babcb1307c05cfb0f01995855
...

Change-Id: I8bcf92df9fd5591d775083fa8e666b7d04378227
calc coords properly, margins fixed

Change-Id: Ic3b107f80cd07ff50567d0591fabbad0c0b546f7
halo

new content pngs
up and down pointed thingies
margins
content size/max width
...

Change-Id: I681fbefe27a87c08774291fc9a58cdafaff4d28f
last bugfixes

Change-Id: I5b4648f6d526f637b9bed1147f3f7be08486c4a0
copyright

Change-Id: Idf025d873cc8c6f348b138348c2dce0541199afc