Fix for JERSEY-1857: representations user docs
	- PS2: review changes directly added to the PS2
	- PS3: source codes fixed for PDF

Change-Id: I86831ca02daab4691aabd5124edf953d827d848b
Merge "Fix for JERSEY-1857: representations user docs 	- PS2: review changes directly added to the PS2 	- PS3: source codes fixed for PDF"