[BREAKING CHANGE] Rename 'image' to 'inlineImage'

Makes room for blockImage and makes it consistent with MW images.

Also remove unnecessary onClick event handling.

Breaking change: Renames class and DM type.

Change-Id: Icf94e498ad9be06a7d187e45cc0368773b9c5678
Merge "[BREAKING CHANGE] Rename 'image' to 'inlineImage'"