LRDOCS-773 Remove JSON ServiceContext example until it is updated.
LRDOCS-773 Address review comments. Modify some links to display the URL for reference in print version; left out displaying URL when finding the page seemed intuitive.
LRDOCS-773 Removed "in-progress" note.
Merge pull request #769 from jhinkey/LRDOCS-773-svc-ctx-json

LRDOCS-773 Frameworks chapter update