sync with upstream version 0.8

modified:   DESCRIPTION
modified:   MD5
modified:   R/spAR.r
modified:   R/spGP.r
modified:   R/spGPP.r
modified:   R/spTfnc.R
modified:   R/spTimer.R
modified:   R/useful_commands.R
new file:   inst/ChangeLog
deleted:    man/DataFit.Rd
deleted:    man/DataFitFore.Rd
deleted:    man/DataValFore.Rd
deleted:    man/DataValPred.Rd
modified:   man/NYdata.Rd
new file:   man/as.forecast.object.Rd
modified:   man/predict.spT.Rd
modified:   man/spT.Gibbs.Rd
modified:   man/spT.initials.Rd
modified:   man/spT.priors.Rd
modified:   man/spT.validation.Rd
modified:   man/spTimer-internal.Rd
odified:   man/spTimer-package.Rd
modified:   man/summary.spT.Rd
modified:   src/equation_xb_ar.c
modified:   src/mathematics.c
modified:   src/randgenerator.c
bug.  tol.dist=2 should be tol.dist=tol.dist

	modified:   spTfnc.R