Create barchart_top_issues.py

Sample Usage :
python bar_graph.py 2012Batch1_Results/JAGGESH/JAGGESH_highToLow.csv 7

Creates barchart of top 7 issues for JAGGESH.
Output file JAGGESH_highToLow.csv.png will be present in the same directory as the csv file.

* Requires matplot lib, should be installed in the system if not already present.