Changed name nip_spm_solvers to nip_spm_priors, just for the sake of clarity
Addid function nip_sflex implementing S-FLEX by Haufe 2011, and its respective test function
Added better formating to output figures in script_LORETA
Added wrapper to the inversion found in the SPM toolbox
Added script_spm_inversion with example of how to use nip_spm_inversion
Non important changes on some scripts
Added nip_tempcomp -> Temporal projection of the data
Added documentation to nip_sflex
Resolved some conflicts with origin/master