Openvswitch component implemented

* Openvswitch installer and uninstaller components added.
* Openvswitch component configuration added.
* RHEL distro updated with openvswitch commands.
* Components order corrected in personas files.
* Openvswitch configuring script removed.

Change-Id: I418f5b783da4db7c63c03c8bd3db21fbddbd8cd7
Merge "Openvswitch component implemented"