PX4/Firmware — pull request #778 by thomasgubler (2014-03-25 18:22:04+00:00)
Title: uORB Subscription class: save isupdated variable and provide accessor

This introduces a function to get the `isUpdated` state of a subscription during the last call to `updateParams()`
@jgoppert can you please comment if this breaks one of your intended design patterns?