Removed lucene from ass3
Added Headers.java class.
Added weka-stable to pom.
Updated headers.java
Updated join.java
Added in/ml/headres and in/joined files.
Biarc now handles multiple xx-of-99 inputs.
Headers not outputs Weka style ARFF data.
JobFlow now runs steps: pairs,biarcs,join
Updated headers input
pom file now outputs .jar packages for pairs,biarcs,join
adding combine part