Added Preference for concealing the PgpApplication
more work on edit key
Merge pull request #713 from da-kid/master

Added notification to passphrasecache
Merge branch 'master' of github.com:open-keychain/open-keychain
Fix strings from 'keys' to 'passphrases'
Merge remote-tracking branch 'upstream/master' into feature-conceal-software
Final Commit for #662