Added corelation capability when charting with matplotlib. Also deprecated graph_csv* methods. All new graphing modules should implement the graph_data method
Added the new graph_data method that will be called from metric rather than the graph_csv method
Added new PlotData class which is used for holding details of the the graph to plot
Replaced the call to Metric.graphing_modules[].graph_csv with Metric.graphing_modules[].graph_data which provides corelation support
Added config-gc-js, which uses the js graphing_module
Added config-sar-matplotlib, which uses the matlib graphing_module
1. Replace print with logger. 2. Bug fix for multi file corelation when one of the files is empty.
1.Improved handling for multi file corelation when one of the files is empty.
Added pyparsing dependency to resolve matlib installation on python 2.6 on OSX. Added specific version for matlab (1.3.1)
fixed typo in specifying matplotlib version
Resolve conflicts with linkedin/naarad
Merge pull request #6 from RiteshMaheshwari/master

Minor update to README
Updates as per review + other minor changes to better format xlabels
resolve additional conflicts
Merge pull request #5 from SharadGandhi/master

Added support for co-relation using matplotlib