Merge pull request #4 from PersistentSystemsLimitedSoftLayer/master

Updating my local workspace 5-9-14 4:56
Merge pull request #5 from PersistentSystemsLimitedSoftLayer/master

Updating My Local worksapce 8-9-14 2:17
Modified the Topic services and Test cases and Written the test case for
Add subscription on topic as http endpoint
Merge pull request #44 from amolwasu/master

Merging the Topic code
Merge pull request #1 from PersistentSystemsLimitedSoftLayer/master

pull latest code