manager
Obscure the App's windows when it backgrounds.
Fix invalid argument exception when sending a message

The PreKey contains both a publicKey and an identityKey base64 encoded
32 byte array with a leading byte of 0x05 to indicate it's type. The
problem is it was not being trimmed before invoking the cryptographic
functions. Now the keys are correctly extracted from the array by taking
the later 32 bytes of it
Merge branch 'hide-everything-in-background' of github.com:MSch/TextSecure-iOS into MSch-hide-everything-in-background
Settings shouldn't be in tests
Fixing preKey ephemeral decoding
Set CK not RK
Align tests
Merge branch 'master' of github.com:foozmeat/TextSecure-iOS into MSch-hide-everything-in-background
Merge branch 'master' of github.com:dcestari/TextSecure-iOS into MSch-hide-everything-in-background
More 3.5'' scroll view enhancements
working on merge
Merge branch 'master' of github.com:WhisperSystems/TextSecure-iOS
Fetching from the database is an asynchronous task.
Fixing tests
Async writes and gets on DB
Updating tests for asynch - still some not passing
All message database tests passing
Updating method of Axolotl Ratchet for async
More async code