Documentation cleanup tasks

[robertmclaws]

Documentation Updates:

• Explain the pattern in In ConfigureApi method, should not require user to call base class method. #523 and update all instances in the documentation for the new pattern.
• Update examples and references for the issues in Code samples needing to be fixed on the Getting Started tutorial for Restier 0.6.0 #531.
• Update examples and references for the issues in Docs: in-memory provider #591.
• Document breaking changes for queries that return no results.
• Document MaxNodeCount issues from MaxNodeCount exceeded #579.
• Document new filter-as-path syntax from Operations applying query options after custom code #642

[Tiberriver256]

Is there new docs somewhere with a getting started guide using the new namespace?

I tried:
http://odata.github.io/RESTier/
https://restier.readthedocs.io/en/latest/