Add vim-types.xsd to vmware doc

As reported in the bug, the document was missing vim-types.xsd
in the download lines.

Change-Id: I93856c0ca8baa720d822373c3437c62d001bc12b
Closes-Bug: 1265467
Remove erroneous '--' from neutron net-create

As reported by George Shuklin, the neutron net-create command in the
OVS install instructions had an erroneous double-hyphen. Presumably,
this was a copy/paste error and this patch removes it.

Change-Id: I30a1c8a5329afb90c48653e117daf38de9fdb0ea
Closes-Bug: 1267043
Merge "Add vim-types.xsd to vmware doc"