Squashed commit of the following:

commit c36a60df653b55f05f218b47a714f236a8734cfd
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Thu Oct 2 08:21:53 2014 +0300

    update tests/Examples

commit 51db4dab9329ca8fd26dfe8476b4cad15c5a6ec2
Merge: 2ac73ea f6ad372
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Wed Oct 1 15:53:29 2014 -0600

    Merge pull request #50 from jarioksa/revert-scoverage

    remove scoverage()

commit f6ad3723b084ab0abdad89132c524c6457f1a3bd
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Wed Oct 1 23:11:24 2014 +0300

    remove scoverage()

    If this function is resurrected, it should be documented independently
    and not with the decostand.

commit 2ac73ea242b5388ba935dd9efe5bc904ed8af509
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Wed Oct 1 15:02:53 2014 +0300

    simulate.[rda,cca,capscale] only work with constrained ordination

    Earlier they gave results, but these were wrong because fitted
    component did not exist, and wrong component was used for them.
    Now check and stop informatively.

commit 087a7250d12ee08e543696cfa84ebe84bbcd5ea5
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Wed Oct 1 12:01:32 2014 +0300

    Update tests/Examples

commit fddbfc7c683d6a8f58e4838c20b07c2ddb22bde7
Author: Jari Oksanen <jari.oksanen@oulu.fi>
Date:   Wed Oct 1 11:56:41 2014 +0300

    nestedness indices return named statistics

commit 951be045be7286ce35160f36562b795b2bec7f96
Merge: 1ca9538 47f3482
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Tue Sep 30 10:22:12 2014 -0600

    Merge pull request #49 from gavinsimpson/master

    fix a bug in calculation of p value in group pairwise permutation test

commit 47f348283bff6c9d8939b2780b62fcde15e1ed84
Author: Gavin Simpson <ucfagls@gmail.com>
Date:   Tue Sep 30 10:01:53 2014 -0600

    fix a bug in calculation of p value in group pairwise permutation test introduced in c6b76f1

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/vegan@2891 edb9625f-4e0d-4859-8d74-9fd3b1da38cb