Progress commit on usync update manager.
Rewire update manager tests. Add ILogger interface. Add IAsynchronousRequest interface.
Add exception when no internet connection exists.
Update manager test rename.
MAGN-1325. Promote single items to list for sort.
Use callback on request object instead of event to properly sequence callbacks.
Remove a try catch which doesn't wrap anything.
More notes on update manager.
Test to ensure we do not leave flag set when update manager has bad url.
On second thought, don't catch request failure here. Always returns.