Add event specifications to NodeConnection
Use the simplified event specification api
Merge pull request #6154 from adobe/iwehrman/node-connection-domain-events

Add event specifications to NodeConnection
Indentation tweak.

Getting Started samples updated.

Corrected screenshot based on @SAPlayer's feedback.

Corrected screenshot.

Added gradients back to html tag.

Replaced dimgray with transparent.

Missed a spot.

Missed english and russian.

Fix.

Fix.

Update CM SHA

Update based on Jason's feedback.
fix submodules
Merge pull request #6182 from adobe/larz/getting-started-updates-squashed

Larz/getting started updates squashed