[pom] Do not fail when javadocs plugin fails on site
[pom] Do not fail when javadocs plugin fails on site

We have some issue for at least 2 years but not sure what is causing it.  This fixes it for now.

dblock/waffle,hazendaz/waffle,hazendaz/waffle,Waffle/waffle,hazendaz/waffle,dblock/waffle,Waffle/waffle,dblock/waffle,Waffle/waffle,dblock/waffle