Oracle Linux 6.5 x86 and x86_64 templates

New templates added for Oracle Linux 6.5 `x86` and `x86_64`.

Some new stuff
* `DTrace` support added
* For `x86_64`, the default kernel is UEK R3 (Unbreakable Enterprise Kernel Release 3) `3.8.13`.

More information: Oracle Linux 6.5 [`Release Notes`](https://oss.oracle.com/el6/docs/RELEASE-NOTES-U5-en.html)