Squashed commit of the following:

commit fba9b24cc98f984254544db5cd87cdb224098588
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 2 23:16:46 2014 -0600

    Update test example output

commit 8d70932789980c484b108c14f7166f0bac24f3ff
Merge: 8086446 a439b75
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 2 22:43:57 2014 -0600

    Merge pull request #45 from jarioksa/fix-no-of-permutations-in-permutest.beadisper

    @jarioksa has convinced me of the benefits of treating permutations following Phipson, B. & Smyth, G. K. Permutation P-values should never be zero: calculating exact P-values when permutations are randomly drawn. Stat. Appl. Genet. Mol. Biol. 9, Article39 (2010). permutest.betadisper: no. of permutations counted without observed stat

commit 8086446245adb253f6cf8bbd749c21195dff2dc8
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Thu Oct 2 16:34:17 2014 +0300

    update tests/Examples

commit a439b751ed64b32c1234a6993c726153f8f8f6cf
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Fri Sep 26 12:00:39 2014 +0300

    permutest.betadisper: no. of permutations counted without observed stat

    Although we put the observed value among permutations, the number
    of permutations should be given without that observed statistic
    (like done in all other vegan functions).

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/vegan@2892 edb9625f-4e0d-4859-8d74-9fd3b1da38cb