CP-8667: Update RPU hotfixes in XenCenter

- XS60E009 has been replaced by XS62E006 and that the latter applies to all 6.x releases;
- 5.x hotfixes have changed, even though the version numbers are unchanged.

Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
Merge pull request #89 from MihaelaStoica/CP-8667

 CP-8667: Update RPU hotfixes in XenCenter