DOC-1135: adding files for 3.4.2 and updating ditamap.
Known issues - added EUCA-8497
Commenting out load balancer console help pages that inadvertently got into the doc builds.
Merge branch '3.4'

* 3.4:
  Commenting out load balancer console help pages that inadvertently got into the doc builds.
  DOC-1135: adding files for 3.4.2 and updating ditamap.

Conflicts:
	content/en_us/release-notes.ditamap