Merge pull request #1 from softlayer/master

Rebase
Merge pull request #2 from softlayer/master

Rebase
Correct name of image built-in properties

According to glance image v1 and v2 speces [0][1], two image property
names should be corrected:

* "minDisk" => "min_disk"
* "minRam" => "min_ram"

[0] http://developer.openstack.org/api-ref-image-v1.html
[1] http://developer.openstack.org/api-ref-image-v2.html

Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>
Correct name of internal URL in endpoints and template

Base on the identity api speces [0][1], internal URL of a service
should be provided by 'internalURL' key instead of 'privateURL'.

[0] http://developer.openstack.org/api-ref-identity-v2.html
[1] http://developer.openstack.org/api-ref-identity-v3.html

Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>
Merge pull request #3 from softlayer/master

Roll-up
Merge pull request #159 from LiuZhiyan/correct-image-built-in-properties

Correct name of image built-in properties
Merge pull request #161 from LiuZhiyan/correct-internal-url-key-endpoints

Correct name of internal URL in endpoints and template
Merge pull request #4 from softlayer/master

Roll-up
Using proper volume size for volume creating

Correct the logic that used to find the closet capacity to the requested
volume size. Without this change, for example, end user even couldn't
create an 1GB volume from SL backend by jumpgate.

Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>