Add note re bug in read.cross.mapqtl
Add additional option to fill.geno: impute using maximum marginal probability
Fix problem in .Rd doc for fill.geno
The start of support for 8-way IRIP designs

-calc.genoprob calls the correct C function
-readMWril accepts "ri8selfIRIP1" as a design. In this case it ignores
cross input.
-summary.cross supports new type
-Added C code to support the hidden Markov model (hmm_riselfIRIP1.c,
hmm_riselfIRIP1.h)
-Added C code for reviseMWrilNoCross which doesn't use cross input
Change indentation in a few R files, to ease merging into kbroman/qtl/devel
Merge branch 'devel' into dabookshah

Fixed conflicts: in R/calc.genoprob.R, R/readMWril.R, R/summary.cross.R
Revise version; add Rohan Shah to authors and in hmm_ri8selfIRIP1.*
Update .Rd file for readMWril
Initial addition of R/scanonevar.R, with code from Lars Ronnegard
Edits to scanonevar:

 - output as scanone object
 - remove plotting and summary aspects
 - prints -> warnings
MASS and dglm as Imports in DESCRIPTION file
.Rd file for scanonevar, change names of args, export in NAMESPACE
Remove accents from scanonevar.Rd; was giving error
scanonevar.R: needed dglm:: in call to dglm.control
fix typo in scanonevar.Rd [skip ci]
Add Lars Ronnegard as author in DESCRIPTION [skip ci]
Merge branch 'devel' into scantwoperm
Fix indentation in R/scantwopermhk.R and src/scantwopermhk.[ch]