add timeout for httpc
Initial SNS support
Added support for listing/deleting endpoints and listing applications on SNS
Improved error responses
Typo
Result fix
http://docs.aws.amazon.com/sns/latest/dg/SendMessageToHttp.html implemented
Missing getters
Region removed
Revert "add timeout for httpc"

This reverts commit 995cb203a80b5765d68f039c1a876ca11cd9131c.
Merge remote-tracking branch 'upstream/master'
GetEndpointAttributes implementation
Merge pull request #5 from inaka/elbrujohalcon.sns

GetEndpointAttributes implementation
Merge pull request #75 from inaka/master

Initial SNS Support