* dont allow panning while node is selected
* Shift nodes, not canvas on circling selection
* scale nodes on window resize
* Scale selected node to viewable size
- basic sparklines rendering for load
- Graphs are normalized so they all render on the y-axis.
- Time-axis is fixed to 15-seconds, so that data fills in correctly when data is insufficient
- Move load scalar behind sparkline
- add title to sparklines, showing timespan, samples, etc
- Make backend address configurable via env variable
- `BACKEND_HOST=1.2.3.4:4040 npm start` points the frontend to the app on that server. Just for development
- Render control icons
- removed close x for details panel
- added control icons in its space
- closing of panel still works by clicking on same node, or background
- Dont allow control while pending
- Render and auto-dismiss control error
- Make tests pass
- fix nodes reset after topology option change
- set topology on click
- explicitly set default topology options
- set default topo options when topos are received
- prevent JS error on too many nodes layout abort
* using browsersync instead of livereload
* `gulp serve` works as before
* `gulp sync` starts browserSync and serves UI on port 3000
* everything is built in `build/`
* build release with `gulp build --release`
- fixes#61
- dont clear nodes cache if topo is the same
- combined stores that were interdependent
- dont show topology grouping menu if unsupported
- also harmonized some variable names
- removed old grouping switcher
- moved topo actions to app actions, removed search
- get correct topology url
- first JS test using Jest
- make tests run on circle using the build container.
- replaced jest test runner with karma/jasmine
- Use debian for UI build and test container.
- updated karma-browserify
