[KARAF-659] - correct manuall about http-whiteboard feature 
[KARAF-659] - correct manuall about http-whiteboard feature 

git-svn-id: 71d8a689455c5fbb0f077bc40adcfc391e14cb9d@1130824 13f79535-47bb-0310-9956-ffa450edef68

grgrzybek/karaf,grgrzybek/karaf,grgrzybek/karaf