first batch of SM updates for e-tau and mu-tau

 - Update ZL stat. uncertainty nuisances in low stats 8TeV categories
   7TeV update pending
 - 8TeV W nuisances now combine latest stat uncertainty, ersatz
   recommendations, and new uncertainty for extrapolation factors
   from relaxed category selections
 - Updated 7 & 8TeV diboson stat uncertainties
fist bugfix for combination of 7TeV and 8TeV
Merge remote-tracking branch 'upstream/master'
Merge pull request #145 from aburgm/master

Update ltt systematics
Merge remote-tracking branch 'upstream/master'
fixed namings in macro. Currently this macro only works when fitting signal in all categories.
different range for PHI=90GeV
Updating ZH files
Merge pull request #146 from ffrensch/master

different range for PHI=90GeV
add a option for plotting only the first label
Merge pull request #148 from ffrensch/master

add a option for plotting only the first label
added configs for each sm category separately and the config for sm 130902
added a pair of options 'unblind' and 'blind' to the config. this controls whether postfit plots are blinded or not. Also addapted the central config for the combination script
Merge remote-tracking branch 'upstream/master'
removed user specific absolut paths
reset to previous default values for mu
Merge pull request #149 from rcaspart/master

New option for blinding and unblinding and bugfixes
Merge pull request #147 from abdollah110/master

Updating ZH files
added lxq support
Merge pull request #150 from ffrensch/master

added lxq support