Impemented basic "endless scrolling" in nodes list.
Added message to list's footer.
Impemented basic "endless scrolling" in events list.
Implemented loaders for alarms and outages.
Removed unused methods from DataLoader.
Not checking connection to server multiple times in parallel anymore.
Fixed sync adapter.
Moved network interaction from connectivity checker in settings to DataLoader.
Added more methods into DataLoader (some are not working properly yet).
Fixed node loader. Removed unused/broken methods.
Integrated new way of loading items into node search (not complete yet).
Refreshing is back in alarms and outages sections.
Small code rearrangement.
Fixed counting of current batch.
Removed useless toast displayed on search query submittion.
Modified some comments.
Made minor code formatting changes.
Renamed methods in LoadManager.
Added more methods into LoadManager.
Changed types of some arguments in methods from DataLoader.
DataLoader is now used to load missing information in fragments with details.