add setup script which modifies NMSSMTools to work with Softsusy's
particle spectrum
do not copy nmspec.f

The nmspec.f in the Softsusy repository is just for testing purposes.
backup file only if it exists
creating run script which calls Softsusy and afterwards NMSSMTools
Merge branch 'nmssmtools-interface' into SMuonMix
Merge branch 'SMuonMix' of github.com:Expander/softsusy into SMuonMix