Model files are contained twice in pear file

When building the tagger pear, the model files get included twice: once in the jar file, and once in the resources folder. We don't really want the model files in the jar, anyway. So fix the pom not to include the resources folder as a build resource. The downside is that then the resources folder is no longer part of the classpath in the tagger eclipse project, meaning that it needs to be added manually when debugging the source. However, that seems the only reasonable solution.