Latest JBPM documentation is still using images and keywords of previous releases

Issue
The documentation is not updated with the current version. e.g. Images used are from jBPM version 6.

Impact
Wrong documented keywords and Process according to old version cause the new users to panic and difficultly in understanding of create business process. It get into more time consuming and getaway from project.

Solution
Documentation needs to be updated with new images and new processes introduced in jBPM 7.5