Change all current-context APIs to throw a helpful error.
- Removes backward compatibility for legacy end points `/models` & `/routes` - Removes `legacyExplorer` flag which enabled these routes - Update related tests & tests using the legacyExplorer flag
Fix rest-adapter related test case switching to strong-error-handler Only affect the test-cases calling rest methods
Miroslav Bajtoš
gunjpan
David Cheung
Simon Ho