Pull images from tilestream running on my machine
connect on 0.0.0.0
??? says what to do and where to click
 annotations, add new ones to the map

 Removing them is hard?
WIP: remove markers from all screens

This is a bit hard. I'm reworking the annotation <-> marker linkage to
be outside of $scope.annotations, so it doesn't sync through firebase,
which is dumb. It's mostly working, but still maybe a bit wonky
Load tiles from tiles.tdx.artsmia.org
Add L.draw
WIP: Leaflet.draw to do annotations
Grey annotation regions, disable circle and line