Adds verification of signed clear-text messages and updates/fixes openpgp.min.js
Temporarily fix to #112

(True fix requires infrastructure)
Makes it more obvious which key was selected in key select window
Purges key select window options on dialog close

Adds change_identity event capture for #139

Fixes #139 given that the change_identity event is triggered in
Roundcube's app.js. At current time it needs to be added manually.
Purges key select window options on dialog close

Adds change_identity event capture for #139

Fixes #111 given that the change_identity event is triggered in
Roundcube's app.js. At current time it needs to be added manually.
Merge branch 'master' of https://github.com/qnrq/rc_openpgpjs
Places signature verification messages more prominently above the email body