Merge pull request #65 from rnc/master

Issue #59 - Refactor usage/storage of model
Working on bringing the build-metadata-maven-plugin into the project-sources injection manipulator...adding phase binding and trying to make it write the file into project basedir (currently not working, not sure what the right incantation is yet).
forgot invoker properties
Merge branch 'master' of github.com:jdcasey/pom-manipulation-ext
Add test for Issue 66