reload crypto box on new keys.

jk api should be updated to include keyLoad() call to prevent box
reloading.
export full certificate
Show document content or error
add router, split app
Factor drop events handler out
Merge branch 'master' of https://github.com/Nek/Agent-App
Sign files (nonworking)
use gost89 package instead of em-gost
key configuration
Merge pull request #2 from muromec/master

Use newer gost lib, add configure view