Bumped up version number for submission to CRAN
Added Hardle, Hall and Ichimura (1993) citation for cross-validation
approach in the single index setting
Cleaned up description of bandwidth selection for single index models
Updated single index bandwidth description
Merge branch 'master' of github.com:JeffreyRacine/R-Package-np
Reverting man page for np.singleindex.bw.Rd (mixed up with npRmpi?)
fixed crash error with npcdistbw and adaptive bandwidths
Merge branch 'master' into npRmpi