Squashed commit of the following:

commit 05ced8cfb03aa540abc415be0e91baa59e486856
Merge: 2b4aa54 efd575f
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Wed Oct 22 10:27:16 2014 +0300

    Merge pull request #60 from gavinsimpson/fix-argument-passing-in-anova

    pass relevant named arguments from anova.cca to permutest.cca

commit efd575f1f654348dad12245e19ca2f276ea7c7dc
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Mon Oct 20 16:19:59 2014 -0600

    pass relevant named arguments from anova.cca to permutest.cca

commit 2b4aa54974f330357b8c5323987866e96a895cf0
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 16 22:00:50 2014 -0600

    some minor tweaks, fixes for typos, and a clarification

commit 31d2e8f9317d1562a558e095d1ef59b093d985b8
Merge: eada1ca 845060a
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 16 20:59:41 2014 -0600

    Merge pull request #57 from gavinsimpson/improve-permutations-rd

    Improve permutations.Rd

commit 845060a209d9512c935b346af125abe390694431
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 16 20:36:16 2014 -0600

    sampleSet -> shuffleSet typo

commit cf642a5834743ad07c7f475a08a6a36aa15988a6
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Thu Oct 16 20:30:05 2014 -0600

    add davison and hinkley reference

commit 3a64ee41e734cab1074e89c9a4b2b342dc9c9627
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Wed Oct 15 21:38:03 2014 -0600

    final round of edits for draft of revised intro to permutations for vegan users

commit c7fee52e21ccf1db3f6ab19330a0b22c591eb450
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Wed Oct 15 20:24:38 2014 -0600

    first stab at updates to the permutations Rd file

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/vegan@2903 edb9625f-4e0d-4859-8d74-9fd3b1da38cb