A few doc fixes

* Correct the command to run the tests
* Fix the numbering of the steps in the install virtualenv page
* Break out the last few instructions into steps of their own
* Fix a comma
[Bug 913382] Fix browserid logo link
[fix bug 908667] Add pagination in country listing pages.
Merge pull request #683 from glogiotatidis/gh-662

[fix bug 908667] Add pagination in country listing pages.
Merge pull request #680 from dpoirier/doc-tweaks2

A few doc fixes