Merge pull request #14 from kreczko/master

Lots of changes
Updated .gitignore
Added latex binning for all variables
MET systematic sources are now in the config folder
First version of script for printing results in latex format
Removed 'from ROOT import *'
Bugfix
Bugfixes: str.replace => str = str.replace
Optimised fitting script, added templates to output
Added making of template plots
Ad-hoc fix for PFMET - different name in systematics histograms (who did that?)
Ad-hoc fix for PFMET in unfolding script
Bugfixes and PFMET handling in results scripts
Merge pull request #15 from senkin/master

Further developments
Bugfix -> response matrix is now cloned. YAY.
Merge pull request #17 from senkin/master

Unfolding finally fixed for systematics
updated external packages
a few small adjustments
almost final version of the HLT turn-on curve plotting script