Modified the KVM installation instructions with an example on how to use
the openvswitch bridges.
Modified the Nicira NVP plugin documentation with support for KVM
Updated the Nicira NVP docs to mention that it can be configured using
the UI now.
This commit also renames a lot of Management Server installation files to try to get
consistency in the naming of files.
It should make it easier to identify which files are for which section.