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
Deleted wrong AppMsg
Merge pull request #545 from danielhass/toast_replacement

Toast replacement
Integrate NFC functionality into ViewKeyActivity
Merge branch 'master' of github.com:open-keychain/open-keychain
Cleanup imports
Cleanup AsyncTask code for NFC
Minimize use of class variables in ViewKey
Disable selection of user ids and keys in view key
ViewCertActivity cleanup

Closes #547