Merge pull request #380 from gusferguson/training_4_4_8_update_june_3

Training 4 4 8 update june 3
Add menu for OME5 documentations
merge dev_4_4 -D org -I include -E exclude: PR 368 (Cpp: Correct content and markup)
merge dev_4_4 -D org -I include -E exclude: PR 384 (Add menu for OME5 documentation sets (rebased onto dev_4_4))