Add new documentation release jobs and fix doc URLs
Merge the current release and next point release sections
Merge pull request #377 from sbesson/jenkins_docs_job

Jenkins docs job
merge dev_4_4 -D org -I include -E exclude: PR 346 (Training update april 13 1)
merge dev_4_4 -D org -I include -E exclude: PR 368 (Cpp: Correct content and markup)