A practical example of the usage of smbolic links

This is a rewrite of the SuiteVersionsControllerTests to demonstrate the
usage of symbolic links.
There are two implementations for the version controller (ZIP + GIT).
Both should pass the same tests.
Bug fix: A newly added page was not added to the recent changes page

Bug fix: a newly added page was not added to the recent changes page and
the user attribute was not set.
Merge pull request #530 from six42/master

A practical example of the usage of smbolic links