owner name now shows for selected asteroid
 	modified:   app.py
	new file:   tpl/SCENE_components.tpl
	modified:   tpl/webGL_scene.tpl
partway through improving template use
Merge pull request #49 from rSimulate/components

 	modified:   app.py
dash now uses improved head/foot templates.
updated all pages to use new head/foot
Merge branch 'master' of https://github.com/rSimulate/Cosmosium
all is well... i think...
messages, notes, tasks migrated to user class
lots of changes to get things working again.
unclaimed now resets properly
relatively minor optimization tweaks
	modified:   app.py
Merge pull request #50 from rSimulate/addMongo

	modified:   app.py
updated 404 page to match new format
Merge branch 'master' of https://github.com/rSimulate/Cosmosium
added pymongo to dep
users track-asteroid requests now handled properly. user is charged, and asteroid shows up on personalized system display.
removed log spam
broke out sub-classes of user