Fix crash on async story loading.
Ensure stories cursor isn't used during unread search but after closure.
Prevent lockup during unread search. (#517)
Even better handling of context switches during unread searches. (#517)
Merge pull request #523 from dosiecki/master

Android: Better Unread Searching
Fixing issue with scheduling feeds.
Beta 2 of 3.7.0 of the android app.
Merge branch 'master' into search

* master:
  Beta 2 of 3.7.0 of the android app.
  Fixing issue with scheduling feeds.
  Even better handling of context switches during unread searches. (#517)
  Prevent lockup during unread search. (#517)
  Ensure stories cursor isn't used during unread search but after closure.
  Fix crash on async story loading.
Adding checks for whether or not a feed is indexed before indexing new stories. Also handling story removal properly.