* feat(back): saved data in snapshot
* feat(endpoints): adding interceptors to retrieve saved data on offline endpoints
* feat(endpoints): offline dashboard working - need tests on offline views
* refactor(endpoints): interceptors cleaning and saving/loading offline endpoints data in/from localstorage
* feat(endpoints): browsing offline endpoints
* feat(endpoints): removing all the link in offline mode - sidebar not working when switching between off and on modes w/ stateManager logic
* feat(endpoints): endpoint status detection in real time
* fix(endpoints): offline swarm endpoint are not accessible anymore
* fix(endpoints): refactor message + disable offline browsing for an endpoint when no snapshot is available for it
* fix(endpoints): adding timeout and enabling loading bar for offline requests
* fix(endpoints): trying to access a down endpoint wont remove sidebar items if it fails
* feat(endpoints): disable checkboxes on offline views for offline mode
* feat(endpoints): updating endpoint status when detecting a change
* refactor(host): moved offline status panel from engine view to new host view
* fix(endpoints): missing endpoint update on ping from home view
* fix(api): rework EndpointUpdate operation
* refactor(offline): moved endpoint status to EndpointProvider and refactor the status-changed detection
* fix(offline): moved status detection to callback on views -> prevent displaying the offline message when endpoint is back online on view change
* fix(offline): offline message is now displayed online when browsing an offline endpoint
* fix(offline): sidebar updates correctly on endpoint status change
* fix(offline): offline panel not displayed and hidden on online mode
* refactor(offline): rework of OfflineMode management
* refactor(offline): extract information-panel for offlineMode into a component
* refactor(offline): remove redundant binding of informationPanel + endpointStatusInterceptor patter as service
* refactor(interceptors): moved interceptors pattern to service pattern
* feat(stacks): prevent inspection of a stack in offline mode
* feat(host): hide devices/disk panels in offline mode
* feat(host): disable browse action in offline mode
* refactor(home): remove comments
* fix(home): show cpu/mem for swarm
* fix(home): add nodes data to snapshot
* fix(dashboard): get cpus/mem from snapshot
* refactor(home): remove temp variable
baron_l