Update saved topic after migrating to new store.
Assigns custom migration policy for reader topics.
User NSUserDefaults vs instance property for storage.
Make sure cell delegate is set.
Merge pull request #2402 from wordpress-mobile/issues/2400-comment-links

Make sure cell delegate is set.
Updates Simperium Podspec
Updates Editor Podspec
Merge pull request #2378 from wordpress-mobile/issues/2341-preserve-current-topic

Issues/2341 preserve current topic
Updates Pods
Fix for discarding a post
Merge pull request #2404 from wordpress-mobile/issue/2393-upgrades-pods

Upgrades pods
Code cleanup...moved actionsheet logic to didDismissWithButtonIndex
Code cleanup
Canceling a new post now allows to keep-editing. Code cleanup.
Merge pull request #2405 from wordpress-mobile/issue/editor-176-discard-crash

Fix for discarding a post in non-visual editor.
Replaced a magic number with a constant.
Implements WPDynamicHeightTextView
Reimplements Nil Coalescing Operator
Fixed a small issue with the actionsheet popover on iOS 8
Merge pull request #2407 from wordpress-mobile/issue/editor-206-editor-lockup

Canceling a new post now allows to keep-editing.