Kinvey/node-background-task — pull request #10 by vseventer (2013-11-06 16:32:47+00:00)
Title: Drop progress notifications on failure.

When a progress notification cannot be processed, it is OK to just drop it and not stop the task altogether.

This also fixes an issue where `stopTask` was invoked twice (via the `endTask` method, and in the `processNotification` body as well).