Renamed app-state into server-state

js/client/controllers/configuration-controller.js

js/client/controllers/lattice-controller.js

js/client/controllers/peaks-controller.js

js/client/controllers/plane-controller.js

js/client/controllers/sample-controller.js

js/client/controllers/scattering-controller.js

js/client/controllers/trajectory-controller.js

js/client/controllers/unitcell-controller.js

js/client/main/index.js

js/client/main/multi-layout.js

js/client/main/synchronizer.js

js/client/server-state.js

js/client/utils/shapes/energy-line.js

js/client/utils/shapes/trajectory-line.js

js/client/views/3D/lattice-view.js

js/client/views/3D/plane-view.js

js/client/views/3D/scattering-view.js

js/client/views/3D/trajectory-view.js

js/client/views/panels/angles-view.js

js/client/views/panels/atoms-view.js