work-in-progress, battery is running out.
Merge branch 'master' of https://github.com/liranoz12/dsp

* 'master' of https://github.com/liranoz12/dsp:
  applying reducer to handle ngram files, adding counters from each decade
updated maven to Java 1.7; Added stop words filter in Count;
Merge branch 'master' of https://github.com/liranoz12/dsp

* 'master' of https://github.com/liranoz12/dsp:
  applying changes for ngram in join.java
updated gitignore to ignore out/ dir
adding the last map-reduce part, adding Mydata to compare by the PMI