[pom] Update doxia-module-markdown to 1.7
[pom] Update doxia-module-markdown to 1.7

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