Adegenet version 2.0.1

This version contains a few new features, speedups, and bug fixes

NEW FEATURES

Hs() is now much faster and will scale better for large number of loci
Hs.test() allows for testing differences in expected heterozygosity between two
groups of individuals
strata tutorial is now available via adegenetTutorial(which="strata")
repool can now handle objects with no population information, and can return a
list of repooled genind (argument 'list' defauling to FALSE)
read.fstat() can now handle missing data coded by any number of "0"
scatter.dapc() function can now label individuals using orditorp() function
from vegan package, which takes care of overlapping (See issue #100)
df2genind() is now faster at handling missing data (See issue #114)
the summary method has better formatting

Hs() no longer returns NaN if one locus has not been typed; instead,
computations are done using all available loci
adegenetTutorial() now opens up-to-date tutorials
subsetting genlight objects now treats missing data appropriately when given
logical, character, or negative subscripts. (See issue #83)
fixed occasional spurious warning about duplicated individual labels in
df2genind()
fixed issues with mis-placed missing data in df2genind() when samples were
labeled with numbers (See issue #96)
frequencies can now be obtained from P/A genpop objects (See issue #105)
Windows no longer throws an error with as.genlight() (See issue #109)
read.genpop() now returns individual names (See issue #117)