Makefile modification

Modified makefile to work for general pythia8/root/lhapdf installations
Move sample directory location to Makefile
Small changes
Markdown read me
Rearrangement for more complicated makefile
Rearrangement for multi-analyses
removed xmldoc
added MVA, more structure to analysis
update
README mods
README mods
Revert MVA to CE minim
Revert MVA to CE minim
Xsecs added
Introduced BTagging method
Merge pull request #1 from juanrojochacon/nh

Initial merge from nh branch