[pom] Update jacoco maven plugin to 0.7.6.201602180812
[pom] Update jacoco maven plugin to 0.7.6.201602180812

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