Changes associated with implementing estimation of Reco:
 - implemented L5 processing in qcls.l5qc
 - implemented rpSOLO using gfSOLO as a template
   - lots of boiler plate code here
 - implemented rpFFNET using rpSOLO as a template
   - lots of boiler plate code here too
First version of OzFluxQC with NN derived Reco!