Update links for vanilla images in doc

* Update links for vanilla 1 plugin images
* Add links to Hadoop 2 images

Change-Id: I71cf69d424c7b53082d0980479967a8f4128a167
Updated from global requirements

Change-Id: If1d5f1d14698a614b7d17197c361cab07f22bbba
Merge "Updated from global requirements"
Merge "Update links for vanilla images in doc"