cleanup of operator-editing-code
cleanup of operator-editing-code

added commas and joined sentences
corrected sentence formats
capitalized before sentence
removed capitals that were extra in sentence
changed para tag location
reomved "show" per comments
capitalized a in Agreement

Change-Id: I30c5c5a02af58141359fb7634dbf82d9c18e2181

Nabs007/training-guides,harrisonfeng/training-guides,openstack/training-guides,openstack/training-guides,harrisonfeng/training-guides,harrisonfeng/training-guides,Nabs007/training-guides,Nabs007/training-guides