fix issue where header/footer failed to appear when springiness is enabled. close #409
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update demo
Fix crash on async message fetch
Merge pull request #415 from piercifani/master

Fix crash on async message fetch. close #414
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Update README.md
Update README.md
Updated iOS 6 adoption rate URL in README
Merge pull request #420 from ranunez/master

Updated iOS 6 adoption rate URL in README
add support for an additional top content inset. close #325
update demo to have a “first received” message. ref #413
new APIs for responding to different cell tap events. issue #374. update demo.
update version nums
Added dummy for JSQMessagesCollectionViewDelegateFlowLayout method
Merge pull request #428 from trakov/master

Added new optional delegate methods for JSQMessagesCollectionViewDelegateFlowLayout
use uppercaseStringWithLocale: close #427
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Closes #443
Merge pull request #444 from dim0v/develop

fixes #443