Add a syncblocked state for cases where a folder sync is blocked because the folder isn't syncable yet
Add some logging when synchronization is blocked
[activesync] Add a more accurate comment about why we aren't handling errors when refreshing the fake inbox
Merge pull request #112 from mozsquib/as-fake-inbox-loading

Add a syncblocked state for cases where a folder sync is blocked because the folder isn't syncable yet