feature: Field in Navigational property not resolved

[phanak-sap]

Add possibility to resolve properties from EntityType in metadata which is defined by path to NavigationProperty.

Example real metadata - Manage Profit Centers fiori app.

Refer to odata-library:

• https://github.com/SAP/odata-library/issues/66
• https://github.com/SAP/odata-library/pull/67
• (fix for 1 level of calls, no recursion)

Refer to data spec

• http://docs.oasis-open.org/odata/odata-csdl-xml/v4.01/cs01/odata-csdl-xml-v4.01-cs01.html#sec_TargetPath