Added --vlan=100 to nova-manage network create

This current folsom wants to have vlan_start set or will
cause a error:

2013-02-14 23:08:32 18626 TRACE nova KeyError: 'vlan_start'

patch2 addresses comments by Alvaro Lopez, adding a link to the bug
 and removes the exception from the commit message.

Change-Id: Ic8d45c2cbbcae3b7ca635a1794e857211a4f0ccc
Doc bug fixes for Identity/keystone Grizzly updates.

fix bug 1071424 - PKI is now default for keystone
fix bug 1074191 - New config file fields for LDAP
fix bug 1103040 - With new config file fields, names like itsec go away
fix bug 1111773 - Re-emphasizes that you must have middleware for s3
fix bug 1130249 - Fixes user-update param confusion in Identity doc

Change-Id: Id21aa27944a0fb68ebfdf20e77fb94950ac141c3
Merge "Added --vlan=100 to nova-manage network create"
Merge "Doc bug fixes for Identity/keystone Grizzly updates."