Introduce ProviderHelper.NotFoundException, remove dead code
Fix decryption of messages/files encrypted for multiple public keys
Use NotFoundException in more places
Modified Spinner values for CreateKeyDialog. Added info for user about custom key length restrictions.
Fix DECRYPT and SEND intent
KeychainIntentService instead of APG
Merge pull request #539 from gogowitczak/custom-key-length-info

Modified Spinner values for CreateKeyDialog. Added info for user about custom key length restrictions.
Hide keyboard after hiding custom key length field
Cleanup in SelectKeyCursorAdapter
Replaced Toasts in ImportKeysOrCodeFragment
Removed unused Toast import in ViewKeyActivityJB
Replaced Toasts in ViewKeyActivity
Fix save keyring, improve signature verification
Fix NFC
Fix certification layout
Fix gitignore for lint
certs: fix verification in ViewKeyActivity (how embarassing)

Fixes #541
Prettify some layouts
Temporary disable of master key id extraction from uri
Prettify more layouts, fix edit and encrypt intents from key view