Refactored 'Nested.isInnerObservableNull' to 'Nested.isInnerObservablePresent'.
Renamed 'Nesting.innerObservable' to 'Nesting.innerObservableProperty'.
Implemented fluent API for nested property builders.
Fixed two comments.
Renamed 'Nested.isInnerObservablePresent' to 'Nested.isInnerObservablePresentProperty'.
Implemented tests for the case that the nesting's inner observable is missing.
Improved a comment.
Created demonstrations for all nested property features.
Implemented a test which asserts that a nested property's properties have the correct bean set.