Merge pull request #12 from PersistentSystemsLimitedSoftLayer/master

Updating my local workspace
Merge pull request #13 from PersistentSystemsLimitedSoftLayer/master

Updating my local workspace
Added delete Image Service and commented the test case related to
Private Image as they are not available
Merge pull request #69 from amolwasu/master

merging delete Image changes
Merge pull request #15 from PersistentSystemsLimitedSoftLayer/master

pull latest code