Resolve "Settings implementation"

Closes #170

See merge request !46

Resolve "Implement Pub/Sub for listening to changes on an item (via polling)"

Closes #161

See merge request !45

Resolve "Syncing to POD | Continious re-syncing with chosen interval"

Closes #169

See merge request !42

Resolve "Implement runImporter (or runPlugin rather) Action"

Closes #163

See merge request !43

Merge remote-tracking branch 'new/dev' into 169-syncing-to-pod-continious-re-syncing-with-chosen-interval

Resolve "Deduplication flow in CVU"

Closes #158

See merge request !40

changed setPropertyValue params + fixed syncState assigning; fixed some bugs with wrong dateServerModified value

# Conflicts:
#	lib/MemriApp/Controllers/Database/DatabaseQuery.dart

Resolve "Syncing to POD | Getting and updating items"

Closes #159

See merge request !39