CLOUDSTACK-4024: UI > (1) detailView widget - add action handler for prepareObjectStoreMigration.
(2) Infrastructure > Secondary Storage > add new action prepareObjectStoreMigration and show it when provider is NFS.
Integer instantation removed

Two Integer object was created for each comparison, just in order to compare the two values.
This is replaced with Integer.compare()

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Safe properties loader

- new utility method introduced in PropertiesUtil to load properties objects from files
- RegionManagerImpl modified to use the utility method
- Tests added for both

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Squashed & merged commit of the following:

commit c9ee0d12e191e803fb341f3f96e95ca434a36f6c
Author: Wei Zhou <w.zhou@leaseweb.com>
Date:   Wed Oct 23 16:55:10 2013 +0200

    CLOUDSTACK-4931, CLOUDSTACK-4937: setDetails to user VMs only
    (cherry picked from commit a94acc5a43aeaf5f18f1912e2653a92f6041a6e5)

commit fe1586c71377bc6d219db2dcf088c40b65dd1fc4
Author: Anthony Xu <anthony.xu@citrix.com>
Date:   Tue Oct 22 11:20:27 2013 -0700

    CLOUDSTACK-4649:
            vm sync tracks the pv driver version for xenserver

     Anthony

commit 56a218f66eda540b4b4b04030ee71fc6863f8532
Author: Anthony Xu <anthony.xu@citrix.com>
Date:   Mon Oct 21 16:10:07 2013 -0700

    CLOUDSTACK-4649:
        xs 6.1/6.2 introduce the new virtual platform, so there are two virtual platforms, windows PV driver version must match virtual platforms,
    this patch tracks PV driver versions in vm details and template details.

    Anthony

commit 4e85d28c678a6f96b5b70d8d33fc60f9d1ea3df6
Author: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Date:   Mon Oct 21 21:17:33 2013 +0200

    removed unused static field

    - s_httpClientManager was not used

    Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>

commit d4121fa26023db236f7396cea455ef090672ae9a
Author: Chris Suich <chris.suich@netapp.com>
Date:   Tue Oct 22 10:45:22 2013 -0400

    Updated DataMotionServiceImpl and ApiResponseHelper based on review feedback.

commit aaf026e1e4204d405bcda2ae4f1a01b1d0f7e7cb
Author: Chris Suich <chris.suich@netapp.com>
Date:   Thu Oct 17 14:27:12 2013 -0400

    Added context to strategy sorting error responses
    Added TODOs for DRYing out pickStrategy() overloading

commit a221f4aa3fb2ddc255bc35cf753f98f88f5bf44e
Author: Chris Suich <chris.suich@netapp.com>
Date:   Wed Oct 16 09:57:28 2013 -0400

    Updated inefficient strategy sorting/selection
    Removed unnecessary canRevertSnapshot from PrimaryDataStoreDriver
    Other general cleaup and fixes from reviews

commit 7d58949c6a1b7e853e891b59387a9620e8cd7a91
Author: Chris Suich <chris.suich@netapp.com>
Date:   Mon Oct 14 14:01:22 2013 -0400

    Added volume snapshot revert capability to SnapshotResponse
    Updated UI to hide/show snapshot revert action per snapshot

Signed-off-by: Edison Su <sudison@gmail.com>