- name platform 'sqlsrv' nonexistent and E_NOTICE index array.

Portability wrapper did not properly use the _defaultFetchMode when the method setFetchMode() was used on the Connection

- Fixed docblocks
- Removed return statements on void methods
- Cleaned up unused private / local variables
- Fixed license issues
- Removed SVN leftovers
- Fixed doctrine-project.org links
- Added line breaks before return statements

This is necessary because pdo_sqlsrv still has some little bugs that
prevent it from being used in all use-cases. Additionally only sqlsrv
can make use of the Azure federations features.