Fixed issue where buying without SIM card cases NPE.
Added "No SIM" to getResponseDesc.
Revert "Added "No SIM" to getResponseDesc."

This reverts commit 72c9c00ffd6185ccc285de2f513925981220dd6c.
Now handles RESULT_NO_SIM response code.
Updated headers.
Merge pull request #186 from nokia-developer/master

Nokia: Fix for issue when buying without SIM card causes NPE
Merge branch 'master' of https://github.com/onepf/OpenIAB
initializing inventoryLatch