Fixed NLOJet++ distcheck paths

v2.5/generators/nlojet++/interface/check/Makefile.am

...enerators/nlojet++/interface/check/fnlo-compare-tables.py

.../generators/nlojet++/interface/check/fnlo-nj-lotest.pl.in

...generators/nlojet++/interface/check/fnlo-nj-nlotest.pl.in

...interface/data/check/InclusiveNJets_InclusiveJets_fix.wrm

...nterface/data/check/InclusiveNJets_InclusiveJets_flex.wrm

v2.5/generators/nlojet++/interface/data/check/Makefile.am

...ors/nlojet++/interface/data/check/compare-table-helper.py

...erators/nlojet++/interface/data/check/fix_NodeDensity.str

...erators/nlojet++/interface/data/check/fix_NodesPerBin.str

...rators/nlojet++/interface/data/check/flex_NodeDensity.str

...rators/nlojet++/interface/data/check/flex_NodesPerBin.str