Update OpenIndiana to 151a2

Update was without problems:

root@solewer:~# pkg update --be-name OI151a2                                   
                Packages to update:  1138
           Create boot environment:   Yes
DOWNLOAD                                  PKGS       FILES    XFER (MB)
Completed                              1138/1138   8282/8282  428.6/428.6

PHASE                                        ACTIONS
Removal Phase                              6030/6030
Install Phase                              6096/6096
Update Phase                             12731/12731

PHASE                                          ITEMS
Package State Update Phase                 2276/2276
Package Cache Update Phase                 1138/1138
Image State Update Phase                         2/2

PHASE                                          ITEMS
Reading Existing Index                           8/8
Indexing Packages                          1138/1138
Indexing Packages                          1138/1138
Optimizing Index...

PHASE                                          ITEMS
Indexing Packages                          1354/1354

A clone of OI_151.1.1_prestable exists and has been updated and activated.
On the next boot the Boot Environment OI151a2 will be mounted on '/'.
Reboot when ready to switch to this updated BE.


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NOTE: Please review release notes posted at:

http://wiki.openindiana.org/oi/oi_151a+Release+Notes
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[root@solewer:/]$cat /etc/release
             OpenIndiana Development oi_151.1.2 X86 (powered by illumos)
        Copyright 2011 Oracle and/or its affiliates. All rights reserved.
                        Use is subject to license terms.
                           Assembled 09 February 2012