Do not render `x-row`s in Schema Model Fixes #135
Clean up
Fix #126 Download YAML and JSON are not working
Load default.yaml when editor is launching for the first time.

Fixes #131
Set editor value in initial load too;
Related: #131
Remove void refernece to petstroe.yaml
Update version of NPM package
2.2.3
Update version of NPM package for Apigee-127
2.2.4
Cover the case of empty objects in resolver

This will avoid "Object.keys called on non-object" error to be exposed to user
Document up resolver service
Update version of NPM package
2.2.5
Update version of NPM package for Apigee-127
2.2.6
Squash NPM version commits into one commit
Update package versions to 2.2.0
Fix npm package version numbers
Update package versions to 2.3.5