* fetch siblings & center topic keyboard shortcuts - fixes#466
* add keyboard shortcut labels
* update keyboard shortcuts to Ctrl+E, Ctrl+R, and Ctrl+T, and update docs
* zoom extents back to Ctrl+E and use e.preventDefault
* enable shared private and public maps
* change the list
* yeehaw add collaborators
* I believe this fixes the error connor brought up
* when topic or synapse is no longer on a map, don't defer
* needs to be before?
* just do it in the controller
* make recommendation they sign in and retry
* better email
* config for mailer previews
* improve wording
* shouldn't have included that
* switch to green
* don't execute if there's no map
* wasn't including the right people in some circumstances
* Finish breaking out JS files (#551)
* metamaps.Realtime refactor
* Metamaps.Util
* Metamaps.Visualize
* Metamaps.SynapseCard
* Metamaps.TopicCard
* Metamaps.Create.js
* Remove erb extension from Metamaps.Map.js
* Metmaps.Account and Metamaps.GlobalUI remove extension
* Metamaps.JIT no more erb extension
* move Backbone.init; standard-format on Metamaps.js.erb
* factor out canvas support check function
* some llittle template bugs
* remove featured from signed in explore maps bar
* don't let it overflow off the page
