[pom] Format pom using standard 4 character spacking and line breaks
[pom] Format pom using standard 4 character spacking and line breaks

to make this easier to work with by making it fix more accepted layout
for a pom.

ThrawnCA/fb-contrib,rblasch/fb-contrib,ThrawnCA/fb-contrib,ThrawnCA/fb-contrib,rblasch/fb-contrib,ThrawnCA/fb-contrib,rblasch/fb-contrib,rblasch/fb-contrib